78979560 has 64 divisors (see below), whose sum is σ = 258482880. Its totient is φ = 19146240.

The previous prime is 78979559. The next prime is 78979573. The reversal of 78979560 is 6597987.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28597 + ... + 31236.

It is an arithmetic number, because the mean of its divisors is an integer number (4038795).

Almost surely, 2^78979560 is an apocalyptic number.

It is an amenable number.

78979560 is an abundant number, since it is smaller than the sum of its proper divisors (179503320).

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

78979560 is a wasteful number, since it uses less digits than its factorization.

78979560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59858 (or 59854 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 78979560 is about 8887.0445030955. The cubic root of 78979560 is about 429.0470332750.

The spelling of 78979560 in words is "seventy-eight million, nine hundred seventy-nine thousand, five hundred sixty".