89835572660 has 12 divisors (see below), whose sum is σ = 188654702628. Its totient is φ = 35934229056.

The previous prime is 89835572653. The next prime is 89835572677. The reversal of 89835572660 is 6627553898.

It can be written as a sum of positive squares in 2 ways, for example, as 9631067044 + 80204505616 = 98138^2 + 283204^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 89835572660.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2245889297 + ... + 2245889336.

It is an arithmetic number, because the mean of its divisors is an integer number (15721225219).

Almost surely, 2^89835572660 is an apocalyptic number.

It is an amenable number.

89835572660 is an abundant number, since it is smaller than the sum of its proper divisors (98819129968).

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

89835572660 is a wasteful number, since it uses less digits than its factorization.

89835572660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491778642 (or 4491778640 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 89835572660 in words is "eighty-nine billion, eight hundred thirty-five million, five hundred seventy-two thousand, six hundred sixty".