89499271680 has 2240 divisors, whose sum is σ = 432800299008. Its totient is φ = 17199267840.

The previous prime is 89499271651. The next prime is 89499271691. The reversal of 89499271680 is 8617299498.

89499271680 is a `hidden beast` number, since 89 + 499 + 2 + 7 + 1 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2240).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 2887073265 + ... + 2887073295.

Almost surely, 2^89499271680 is an apocalyptic number.

89499271680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89499271680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216400149504).

89499271680 is an abundant number, since it is smaller than the sum of its proper divisors (343301027328).

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

89499271680 is a wasteful number, since it uses less digits than its factorization.

89499271680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 89499271680 in words is "eighty-nine billion, four hundred ninety-nine million, two hundred seventy-one thousand, six hundred eighty".