89664710525 has 24 divisors (see below), whose sum is σ = 124942836480. Its totient is φ = 63335067840.

The previous prime is 89664710497. The next prime is 89664710573. The reversal of 89664710525 is 52501746698.

It is not a de Polignac number, because 89664710525 - 2¹⁸ = 89664448381 is a prime.

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, 5990165 + ... + 6005114.

It is an arithmetic number, because the mean of its divisors is an integer number (5205951520).

Almost surely, 2^89664710525 is an apocalyptic number.

It is an amenable number.

89664710525 is a deficient number, since it is larger than the sum of its proper divisors (35278125955).

89664710525 is a wasteful number, since it uses less digits than its factorization.

89664710525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11995325 (or 11995320 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 89664710525 in words is "eighty-nine billion, six hundred sixty-four million, seven hundred ten thousand, five hundred twenty-five".