78025252 has 24 divisors (see below), whose sum is σ = 139905920. Its totient is φ = 38063520.

The previous prime is 78025201. The next prime is 78025253. The reversal of 78025252 is 25252087.

It is not an unprimeable number, because it can be changed into a prime (78025253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27877 + ... + 30547.

Almost surely, 2^78025252 is an apocalyptic number.

It is an amenable number.

78025252 is a deficient number, since it is larger than the sum of its proper divisors (61880668).

78025252 is a wasteful number, since it uses less digits than its factorization.

78025252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 78025252 is about 8833.1903636229. The cubic root of 78025252 is about 427.3119713903.

The spelling of 78025252 in words is "seventy-eight million, twenty-five thousand, two hundred fifty-two".