87622525 has 24 divisors (see below), whose sum is σ = 114617664. Its totient is φ = 66316800.

The previous prime is 87622517. The next prime is 87622559. The reversal of 87622525 is 52522678.

It is not a de Polignac number, because 87622525 - 2³ = 87622517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54990 + ... + 56560.

It is an arithmetic number, because the mean of its divisors is an integer number (4775736).

Almost surely, 2^87622525 is an apocalyptic number.

It is an amenable number.

87622525 is a deficient number, since it is larger than the sum of its proper divisors (26995139).

87622525 is a wasteful number, since it uses less digits than its factorization.

87622525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701 (or 1696 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 87622525 is about 9360.6904125711. The cubic root of 87622525 is about 444.1591241057.

The spelling of 87622525 in words is "eighty-seven million, six hundred twenty-two thousand, five hundred twenty-five".