78825325 has 12 divisors (see below), whose sum is σ = 97855840. Its totient is φ = 62987760.

The previous prime is 78825289. The next prime is 78825377. The reversal of 78825325 is 52352887.

It is not a de Polignac number, because 78825325 - 2¹⁵ = 78792557 is a prime.

It is a super-2 number, since 2×78825325² = 12426863722711250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35086 + ... + 37264.

Almost surely, 2^78825325 is an apocalyptic number.

It is an amenable number.

78825325 is a deficient number, since it is larger than the sum of its proper divisors (19030515).

78825325 is a wasteful number, since it uses less digits than its factorization.

78825325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636 (or 3631 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 78825325 is about 8878.3627432089. The cubic root of 78825325 is about 428.7675635324.

The spelling of 78825325 in words is "seventy-eight million, eight hundred twenty-five thousand, three hundred twenty-five".