78880976 has 20 divisors (see below), whose sum is σ = 155115072. Its totient is φ = 38851296.

The previous prime is 78880943. The next prime is 78880979. The reversal of 78880976 is 67908887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78880979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35720 + ... + 37863.

Almost surely, 2^78880976 is an apocalyptic number.

It is an amenable number.

78880976 is a deficient number, since it is larger than the sum of its proper divisors (76234096).

78880976 is a wasteful number, since it uses less digits than its factorization.

78880976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73658 (or 73652 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 78880976 is about 8881.4962703364. The cubic root of 78880976 is about 428.8684436766.

The spelling of 78880976 in words is "seventy-eight million, eight hundred eighty thousand, nine hundred seventy-six".