78595625 has 10 divisors (see below), whose sum is σ = 98213874. Its totient is φ = 62876000.

The previous prime is 78595603. The next prime is 78595663. The reversal of 78595625 is 52659587.

It can be written as a sum of positive squares in 5 ways, for example, as 12222016 + 66373609 = 3496^2 + 8147^2 .

It is a de Polignac number, because none of the positive numbers 2^k-78595625 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78595625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62252 + ... + 63501.

Almost surely, 2^78595625 is an apocalyptic number.

It is an amenable number.

78595625 is a deficient number, since it is larger than the sum of its proper divisors (19618249).

78595625 is an equidigital number, since it uses as much as digits as its factorization.

78595625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125773 (or 125758 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The square root of 78595625 is about 8865.4173618618. The cubic root of 78595625 is about 428.3506766568.

The spelling of 78595625 in words is "seventy-eight million, five hundred ninety-five thousand, six hundred twenty-five".