78625316 has 72 divisors (see below), whose sum is σ = 180539520. Its totient is φ = 29272320.

The previous prime is 78625243. The next prime is 78625321. The reversal of 78625316 is 61352687.

It is a self number, because there is not a number n which added to its sum of digits gives 78625316.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77420 + ... + 78428.

Almost surely, 2^78625316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78625316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90269760).

78625316 is an abundant number, since it is smaller than the sum of its proper divisors (101914204).

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

78625316 is a wasteful number, since it uses less digits than its factorization.

78625316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1052 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 78625316 is about 8867.0917441966. The cubic root of 78625316 is about 428.4046090853.

The spelling of 78625316 in words is "seventy-eight million, six hundred twenty-five thousand, three hundred sixteen".