78923968 has 14 divisors (see below), whose sum is σ = 156614876. Its totient is φ = 39461952.

The previous prime is 78923941. The next prime is 78923969. The reversal of 78923968 is 86932987.

It is not an unprimeable number, because it can be changed into a prime (78923969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616530 + ... + 616657.

Almost surely, 2^78923968 is an apocalyptic number.

It is an amenable number.

78923968 is a deficient number, since it is larger than the sum of its proper divisors (77690908).

78923968 is a wasteful number, since it uses less digits than its factorization.

78923968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233199 (or 1233189 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 78923968 is about 8883.9162535449. The cubic root of 78923968 is about 428.9463440120.

The spelling of 78923968 in words is "seventy-eight million, nine hundred twenty-three thousand, nine hundred sixty-eight".