89448712992 has 96 divisors (see below), whose sum is σ = 261338011200. Its totient is φ = 29765274624.

The previous prime is 89448712967. The next prime is 89448713009. The reversal of 89448712992 is 29921784498.

89448712992 is a `hidden beast` number, since 89 + 448 + 7 + 1 + 29 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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, 418984 + ... + 595352.

It is an arithmetic number, because the mean of its divisors is an integer number (2722270950).

Almost surely, 2^89448712992 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 89448712992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130669005600).

89448712992 is an abundant number, since it is smaller than the sum of its proper divisors (171889298208).

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

89448712992 is a wasteful number, since it uses less digits than its factorization.

89448712992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176975 (or 176961 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 89448712992 in words is "eighty-nine billion, four hundred forty-eight million, seven hundred twelve thousand, nine hundred ninety-two".