78873960 has 64 divisors (see below), whose sum is σ = 258137280. Its totient is φ = 19120640.

The previous prime is 78873953. The next prime is 78873979. The reversal of 78873960 is 6937887.

It is a super-2 number, since 2×78873960² = 12442203132163200, which contains 22 as substring.

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, 28557 + ... + 31196.

It is an arithmetic number, because the mean of its divisors is an integer number (4033395).

Almost surely, 2^78873960 is an apocalyptic number.

It is an amenable number.

78873960 is an abundant number, since it is smaller than the sum of its proper divisors (179263320).

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

78873960 is a wasteful number, since it uses less digits than its factorization.

78873960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59778 (or 59774 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 78873960 is about 8881.1012830617. The cubic root of 78873960 is about 428.8557281891.

The spelling of 78873960 in words is "seventy-eight million, eight hundred seventy-three thousand, nine hundred sixty".