78942976 has 36 divisors (see below), whose sum is σ = 180092752. Its totient is φ = 33831936.

The previous prime is 78942971. The next prime is 78942977. The reversal of 78942976 is 67924987.

It is not an unprimeable number, because it can be changed into a prime (78942971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20235 + ... + 23818.

Almost surely, 2^78942976 is an apocalyptic number.

It is an amenable number.

78942976 is an abundant number, since it is smaller than the sum of its proper divisors (101149776).

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

78942976 is an equidigital number, since it uses as much as digits as its factorization.

78942976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44076 (or 44062 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 78942976 is about 8884.9859876085. The cubic root of 78942976 is about 428.9807769726.

The spelling of 78942976 in words is "seventy-eight million, nine hundred forty-two thousand, nine hundred seventy-six".