89821632974 has 16 divisors (see below), whose sum is σ = 138382250688. Its totient is φ = 43694363232.

The previous prime is 89821632949. The next prime is 89821632997. The reversal of 89821632974 is 47923612898.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826699 + ... + 1875225.

It is an arithmetic number, because the mean of its divisors is an integer number (8648890668).

Almost surely, 2^89821632974 is an apocalyptic number.

89821632974 is a deficient number, since it is larger than the sum of its proper divisors (48560617714).

89821632974 is a wasteful number, since it uses less digits than its factorization.

89821632974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73579.

The product of its digits is 10450944, while the sum is 59.

The spelling of 89821632974 in words is "eighty-nine billion, eight hundred twenty-one million, six hundred thirty-two thousand, nine hundred seventy-four".