89745884931525 has 48 divisors (see below), whose sum is σ = 156200746827840. Its totient is φ = 45341974540800.

The previous prime is 89745884931503. The next prime is 89745884931541. The reversal of 89745884931525 is 52513948854798.

It is not a de Polignac number, because 89745884931525 - 2¹² = 89745884927429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17257419 + ... + 21847431.

It is an arithmetic number, because the mean of its divisors is an integer number (3254182225580).

Almost surely, 2^{89745884931525} is an apocalyptic number.

It is an amenable number.

89745884931525 is a deficient number, since it is larger than the sum of its proper divisors (66454861896315).

89745884931525 is a wasteful number, since it uses less digits than its factorization.

89745884931525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603766 (or 4603761 counting only the distinct ones).

The product of its digits is 3483648000, while the sum is 78.

The spelling of 89745884931525 in words is "eighty-nine trillion, seven hundred forty-five billion, eight hundred eighty-four million, nine hundred thirty-one thousand, five hundred twenty-five".