78625938 has 32 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 25809680.

The previous prime is 78625927. The next prime is 78625957. The reversal of 78625938 is 83952687.

It is a super-3 number, since 3×78625938³ (a number of 25 digits) contains 333 as substring.

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, 130963 + ... + 131561.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^78625938 is an apocalyptic number.

78625938 is an abundant number, since it is smaller than the sum of its proper divisors (81041262).

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

78625938 is a wasteful number, since it uses less digits than its factorization.

78625938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its digits is 725760, while the sum is 48.

The square root of 78625938 is about 8867.1268176338. The cubic root of 78625938 is about 428.4057387764.

The spelling of 78625938 in words is "seventy-eight million, six hundred twenty-five thousand, nine hundred thirty-eight".