78625888 has 48 divisors (see below), whose sum is σ = 173459664. Its totient is φ = 34767360.

The previous prime is 78625853. The next prime is 78625903. The reversal of 78625888 is 88852687.

It is a congruent number.

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, 10006 + ... + 16042.

It is an arithmetic number, because the mean of its divisors is an integer number (3613743).

Almost surely, 2^78625888 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 78625888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86729832).

78625888 is an abundant number, since it is smaller than the sum of its proper divisors (94833776).

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

78625888 is a wasteful number, since it uses less digits than its factorization.

78625888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095 (or 6087 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 52.

The square root of 78625888 is about 8867.1239982308. The cubic root of 78625888 is about 428.4056479654.

The spelling of 78625888 in words is "seventy-eight million, six hundred twenty-five thousand, eight hundred eighty-eight".