89995912512 has 504 divisors, whose sum is σ = 281782418400. Its totient is φ = 25298380800.

The previous prime is 89995912459. The next prime is 89995912579. The reversal of 89995912512 is 21521959998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 647452539 + ... + 647452677.

It is an arithmetic number, because the mean of its divisors is an integer number (559092100).

Almost surely, 2^89995912512 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 89995912512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140891209200).

89995912512 is an abundant number, since it is smaller than the sum of its proper divisors (191786505888).

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

89995912512 is a wasteful number, since it uses less digits than its factorization.

89995912512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 215 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 60.

The spelling of 89995912512 in words is "eighty-nine billion, nine hundred ninety-five million, nine hundred twelve thousand, five hundred twelve".