78560580 has 48 divisors (see below), whose sum is σ = 251395200. Its totient is φ = 17956608.

The previous prime is 78560563. The next prime is 78560593. The reversal of 78560580 is 8506587.

It is a happy number.

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, 93105 + ... + 93944.

It is an arithmetic number, because the mean of its divisors is an integer number (5237400).

Almost surely, 2^78560580 is an apocalyptic number.

78560580 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78560580 is an abundant number, since it is smaller than the sum of its proper divisors (172834620).

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

78560580 is a wasteful number, since it uses less digits than its factorization.

78560580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187068 (or 187066 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 78560580 is about 8863.4406411957. The cubic root of 78560580 is about 428.2870014366.

The spelling of 78560580 in words is "seventy-eight million, five hundred sixty thousand, five hundred eighty".