89951487564 has 48 divisors (see below), whose sum is σ = 210214368000. Its totient is φ = 29937082176.

The previous prime is 89951487533. The next prime is 89951487649. The reversal of 89951487564 is 46578415998.

It is a super-2 number, since 2×89951487564² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89951487495 and 89951487504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36460659 + ... + 36463125.

It is an arithmetic number, because the mean of its divisors is an integer number (4379466000).

Almost surely, 2^89951487564 is an apocalyptic number.

It is an amenable number.

89951487564 is an abundant number, since it is smaller than the sum of its proper divisors (120262880436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89951487564 is a wasteful number, since it uses less digits than its factorization.

89951487564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5982 (or 5980 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 66.

The spelling of 89951487564 in words is "eighty-nine billion, nine hundred fifty-one million, four hundred eighty-seven thousand, five hundred sixty-four".