78308960 has 24 divisors (see below), whose sum is σ = 185005296. Its totient is φ = 31323520.

The previous prime is 78308939. The next prime is 78308999. The reversal of 78308960 is 6980387.

It is a super-2 number, since 2×78308960² = 12264586432563200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244556 + ... + 244875.

It is an arithmetic number, because the mean of its divisors is an integer number (7708554).

Almost surely, 2^78308960 is an apocalyptic number.

It is an amenable number.

78308960 is an abundant number, since it is smaller than the sum of its proper divisors (106696336).

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

78308960 is a wasteful number, since it uses less digits than its factorization.

78308960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489446 (or 489438 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 78308960 is about 8849.2349951846. The cubic root of 78308960 is about 427.8292619706.

The spelling of 78308960 in words is "seventy-eight million, three hundred eight thousand, nine hundred sixty".