87752925 has 72 divisors (see below), whose sum is σ = 178287200. Its totient is φ = 40901760.

The previous prime is 87752879. The next prime is 87752933. The reversal of 87752925 is 52925778.

It is a happy number.

It is not a de Polignac number, because 87752925 - 2²⁵ = 54198493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

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 71 ways as a sum of consecutive naturals, for example, 54786 + ... + 56364.

Almost surely, 2^87752925 is an apocalyptic number.

It is an amenable number.

87752925 is an abundant number, since it is smaller than the sum of its proper divisors (90534275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87752925 is a wasteful number, since it uses less digits than its factorization.

87752925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627 (or 1619 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 87752925 is about 9367.6531212465. The cubic root of 87752925 is about 444.3793476997.

The spelling of 87752925 in words is "eighty-seven million, seven hundred fifty-two thousand, nine hundred twenty-five".