850948725840 has 160 divisors (see below), whose sum is σ = 2683989820800. Its totient is φ = 222962319360.

The previous prime is 850948725839. The next prime is 850948725841. The reversal of 850948725840 is 48527849058.

It is an interprime number because it is at equal distance from previous prime (850948725839) and next prime (850948725841).

It is a super-2 number, since 2×850948725840² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850948725841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30585856 + ... + 30613664.

It is an arithmetic number, because the mean of its divisors is an integer number (16774936380).

Almost surely, 2^850948725840 is an apocalyptic number.

850948725840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850948725840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341994910400).

850948725840 is an abundant number, since it is smaller than the sum of its proper divisors (1833041094960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

850948725840 is a wasteful number, since it uses less digits than its factorization.

850948725840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30045 (or 30039 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 850948725840 in words is "eight hundred fifty billion, nine hundred forty-eight million, seven hundred twenty-five thousand, eight hundred forty".