850086620 has 48 divisors (see below), whose sum is σ = 1856137248. Its totient is φ = 326768640.

The previous prime is 850086617. The next prime is 850086623. The reversal of 850086620 is 26680058.

It is an interprime number because it is at equal distance from previous prime (850086617) and next prime (850086623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850086623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47204 + ... + 62676.

It is an arithmetic number, because the mean of its divisors is an integer number (38669526).

Almost surely, 2^850086620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850086620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928068624).

850086620 is an abundant number, since it is smaller than the sum of its proper divisors (1006050628).

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

850086620 is a wasteful number, since it uses less digits than its factorization.

850086620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15590 (or 15588 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 850086620 is about 29156.2449571271. The cubic root of 850086620 is about 947.3004134948.

The spelling of 850086620 in words is "eight hundred fifty million, eighty-six thousand, six hundred twenty".