7920690924 has 24 divisors (see below), whose sum is σ = 18490526208. Its totient is φ = 2638956880.

The previous prime is 7920690907. The next prime is 7920690931. The reversal of 7920690924 is 4290960297.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133092 + ... + 183179.

It is an arithmetic number, because the mean of its divisors is an integer number (770438592).

Almost surely, 2^7920690924 is an apocalyptic number.

It is an amenable number.

7920690924 is an abundant number, since it is smaller than the sum of its proper divisors (10569835284).

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

7920690924 is a wasteful number, since it uses less digits than its factorization.

7920690924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318365 (or 318363 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 7920690924 is about 88998.2636010389. The cubic root of 7920690924 is about 1993.3689492138.

The spelling of 7920690924 in words is "seven billion, nine hundred twenty million, six hundred ninety thousand, nine hundred twenty-four".