89542913985 has 48 divisors (see below), whose sum is σ = 177411371904. Its totient is φ = 40926721536.

The previous prime is 89542913963. The next prime is 89542914023. The reversal of 89542913985 is 58931924598.

89542913985 is a `hidden beast` number, since 8 + 9 + 542 + 9 + 1 + 3 + 9 + 85 = 666.

It is not a de Polignac number, because 89542913985 - 2¹⁵ = 89542881217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2045689 + ... + 2089001.

It is an arithmetic number, because the mean of its divisors is an integer number (3696070248).

Almost surely, 2^89542913985 is an apocalyptic number.

It is an amenable number.

89542913985 is a deficient number, since it is larger than the sum of its proper divisors (87868457919).

89542913985 is a wasteful number, since it uses less digits than its factorization.

89542913985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49894 (or 49891 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 63.

The spelling of 89542913985 in words is "eighty-nine billion, five hundred forty-two million, nine hundred thirteen thousand, nine hundred eighty-five".