78608712 has 64 divisors (see below), whose sum is σ = 241879680. Its totient is φ = 20731392.

The previous prime is 78608711. The next prime is 78608741. The reversal of 78608712 is 21780687.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (78608711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15813 + ... + 20180.

It is an arithmetic number, because the mean of its divisors is an integer number (3779370).

Almost surely, 2^78608712 is an apocalyptic number.

It is an amenable number.

78608712 is an abundant number, since it is smaller than the sum of its proper divisors (163270968).

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

78608712 is a wasteful number, since it uses less digits than its factorization.

78608712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36022 (or 36018 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 78608712 is about 8866.1554238576. The cubic root of 78608712 is about 428.3744503049.

The spelling of 78608712 in words is "seventy-eight million, six hundred eight thousand, seven hundred twelve".