87704125 has 32 divisors (see below), whose sum is σ = 113873760. Its totient is φ = 67392000.

The previous prime is 87704119. The next prime is 87704131. The reversal of 87704125 is 52140778.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87704119) and next prime (87704131).

It can be written as a sum of positive squares in 16 ways, for example, as 80766169 + 6937956 = 8987^2 + 2634^2 .

It is not a de Polignac number, because 87704125 - 2⁹ = 87703613 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 558547 + ... + 558703.

It is an arithmetic number, because the mean of its divisors is an integer number (3558555).

Almost surely, 2^87704125 is an apocalyptic number.

It is an amenable number.

87704125 is a deficient number, since it is larger than the sum of its proper divisors (26169635).

87704125 is a wasteful number, since it uses less digits than its factorization.

87704125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 87704125 is about 9365.0480511314. The cubic root of 87704125 is about 444.2969582968.

The spelling of 87704125 in words is "eighty-seven million, seven hundred four thousand, one hundred twenty-five".