78605260 has 24 divisors (see below), whose sum is σ = 172249056. Its totient is φ = 30074880.

The previous prime is 78605239. The next prime is 78605309. The reversal of 78605260 is 6250687.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84981 + ... + 85900.

It is an arithmetic number, because the mean of its divisors is an integer number (7177044).

Almost surely, 2^78605260 is an apocalyptic number.

It is an amenable number.

78605260 is an abundant number, since it is smaller than the sum of its proper divisors (93643796).

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

78605260 is a wasteful number, since it uses less digits than its factorization.

78605260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170913 (or 170911 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 78605260 is about 8865.9607488416. The cubic root of 78605260 is about 428.3681797097.

The spelling of 78605260 in words is "seventy-eight million, six hundred five thousand, two hundred sixty".