87700525 has 12 divisors (see below), whose sum is σ = 118635264. Its totient is φ = 63782000.

The previous prime is 87700499. The next prime is 87700537. The reversal of 87700525 is 52500778.

It is not a de Polignac number, because 87700525 - 2⁹ = 87700013 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 11 ways as a sum of consecutive naturals, for example, 159181 + ... + 159730.

It is an arithmetic number, because the mean of its divisors is an integer number (9886272).

Almost surely, 2^87700525 is an apocalyptic number.

It is an amenable number.

87700525 is a deficient number, since it is larger than the sum of its proper divisors (30934739).

87700525 is a wasteful number, since it uses less digits than its factorization.

87700525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318932 (or 318927 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 87700525 is about 9364.8558451265. The cubic root of 87700525 is about 444.2908791798.

The spelling of 87700525 in words is "eighty-seven million, seven hundred thousand, five hundred twenty-five".