89384821525 has 24 divisors (see below), whose sum is σ = 116602581600. Its totient is φ = 67871832000.

The previous prime is 89384821469. The next prime is 89384821531. The reversal of 89384821525 is 52512848398.

It is not a de Polignac number, because 89384821525 - 2²¹ = 89382724373 is a prime.

It is a super-2 number, since 2×89384821525² (a number of 23 digits) contains 22 as substring.

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, 1002051 + ... + 1087600.

It is an arithmetic number, because the mean of its divisors is an integer number (4858440900).

Almost surely, 2^89384821525 is an apocalyptic number.

It is an amenable number.

89384821525 is a deficient number, since it is larger than the sum of its proper divisors (27217760075).

89384821525 is a wasteful number, since it uses less digits than its factorization.

89384821525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089749 (or 2089744 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 55.

The spelling of 89384821525 in words is "eighty-nine billion, three hundred eighty-four million, eight hundred twenty-one thousand, five hundred twenty-five".