78488625 has 32 divisors (see below), whose sum is σ = 131219712. Its totient is φ = 41664000.

The previous prime is 78488603. The next prime is 78488647. The reversal of 78488625 is 52688487.

It is an interprime number because it is at equal distance from previous prime (78488603) and next prime (78488647).

It is not a de Polignac number, because 78488625 - 2⁵ = 78488593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116289 + ... + 116961.

It is an arithmetic number, because the mean of its divisors is an integer number (4100616).

Almost surely, 2^78488625 is an apocalyptic number.

78488625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78488625 is a deficient number, since it is larger than the sum of its proper divisors (52731087).

78488625 is a wasteful number, since it uses less digits than its factorization.

78488625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 992 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 78488625 is about 8859.3806216913. The cubic root of 78488625 is about 428.1562029933.

The spelling of 78488625 in words is "seventy-eight million, four hundred eighty-eight thousand, six hundred twenty-five".