925681785816 has 32 divisors (see below), whose sum is σ = 2357868702960. Its totient is φ = 302738696832.

The previous prime is 925681785779. The next prime is 925681785817. The reversal of 925681785816 is 618587186529.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (925681785817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363867355 + ... + 363869898.

Almost surely, 2^925681785816 is an apocalyptic number.

It is an amenable number.

925681785816 is an abundant number, since it is smaller than the sum of its proper divisors (1432186917144).

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

925681785816 is a wasteful number, since it uses less digits than its factorization.

925681785816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727737315 (or 727737311 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 66.

The spelling of 925681785816 in words is "nine hundred twenty-five billion, six hundred eighty-one million, seven hundred eighty-five thousand, eight hundred sixteen".