992904974556 has 36 divisors (see below), whose sum is σ = 2546541412296. Its totient is φ = 300880294880.

The previous prime is 992904974543. The next prime is 992904974563. The reversal of 992904974556 is 655479409299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341907975 + ... + 341910878.

Almost surely, 2^992904974556 is an apocalyptic number.

It is an amenable number.

992904974556 is an abundant number, since it is smaller than the sum of its proper divisors (1553636437740).

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

992904974556 is a wasteful number, since it uses less digits than its factorization.

992904974556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683818882 (or 683818869 counting only the distinct ones).

The product of its (nonzero) digits is 220449600, while the sum is 69.

The spelling of 992904974556 in words is "nine hundred ninety-two billion, nine hundred four million, nine hundred seventy-four thousand, five hundred fifty-six".