7976662872 has 16 divisors (see below), whose sum is σ = 19941657240. Its totient is φ = 2658887616.

The previous prime is 7976662849. The next prime is 7976662879. The reversal of 7976662872 is 2782666797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976662879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166180453 + ... + 166180500.

Almost surely, 2^7976662872 is an apocalyptic number.

It is an amenable number.

7976662872 is an abundant number, since it is smaller than the sum of its proper divisors (11964994368).

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

7976662872 is a wasteful number, since it uses less digits than its factorization.

7976662872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332360962 (or 332360958 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 60.

The square root of 7976662872 is about 89312.1653079803. The cubic root of 7976662872 is about 1998.0533452156.

The spelling of 7976662872 in words is "seven billion, nine hundred seventy-six million, six hundred sixty-two thousand, eight hundred seventy-two".