89736792912 has 120 divisors (see below), whose sum is σ = 272984965344. Its totient is φ = 27353210112.

The previous prime is 89736792811. The next prime is 89736792913. The reversal of 89736792912 is 21929763798.

It is a self number, because there is not a number n which added to its sum of digits gives 89736792912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89736792913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23698 + ... + 424305.

Almost surely, 2^89736792912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89736792912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136492482672).

89736792912 is an abundant number, since it is smaller than the sum of its proper divisors (183248172432).

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

89736792912 is a wasteful number, since it uses less digits than its factorization.

89736792912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448137 (or 448128 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 89736792912 in words is "eighty-nine billion, seven hundred thirty-six million, seven hundred ninety-two thousand, nine hundred twelve".