89961338874 has 32 divisors (see below), whose sum is σ = 196543563264. Its totient is φ = 27224306480.

The previous prime is 89961338849. The next prime is 89961338921. The reversal of 89961338874 is 47883316998.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868224 + ... + 966299.

It is an arithmetic number, because the mean of its divisors is an integer number (6141986352).

Almost surely, 2^89961338874 is an apocalyptic number.

89961338874 is an abundant number, since it is smaller than the sum of its proper divisors (106582224390).

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

89961338874 is a wasteful number, since it uses less digits than its factorization.

89961338874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835282.

The product of its digits is 62705664, while the sum is 66.

The spelling of 89961338874 in words is "eighty-nine billion, nine hundred sixty-one million, three hundred thirty-eight thousand, eight hundred seventy-four".