850538880 has 224 divisors, whose sum is σ = 3050256960. Its totient is φ = 226685952.

The previous prime is 850538879. The next prime is 850538911. The reversal of 850538880 is 88835058.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 465649 + ... + 467471.

Almost surely, 2^850538880 is an apocalyptic number.

850538880 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 850538880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525128480).

850538880 is an abundant number, since it is smaller than the sum of its proper divisors (2199718080).

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

850538880 is an equidigital number, since it uses as much as digits as its factorization.

850538880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 850538880 is about 29163.9997256892. Note that the first 3 decimals coincide. The cubic root of 850538880 is about 947.4683768218.

The spelling of 850538880 in words is "eight hundred fifty million, five hundred thirty-eight thousand, eight hundred eighty".