850797925720 has 64 divisors (see below), whose sum is σ = 1961470728000. Its totient is φ = 331936542720.

The previous prime is 850797925711. The next prime is 850797925741. The reversal of 850797925720 is 27529797058.

It is a super-2 number, since 2×850797925720² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6788181 + ... + 6912379.

It is an arithmetic number, because the mean of its divisors is an integer number (30647980125).

Almost surely, 2^850797925720 is an apocalyptic number.

It is an amenable number.

850797925720 is an abundant number, since it is smaller than the sum of its proper divisors (1110672802280).

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

850797925720 is a wasteful number, since it uses less digits than its factorization.

850797925720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128428 (or 128424 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 850797925720 in words is "eight hundred fifty billion, seven hundred ninety-seven million, nine hundred twenty-five thousand, seven hundred twenty".