89122706720 has 96 divisors (see below), whose sum is σ = 223807047408. Its totient is φ = 33421262848.

The previous prime is 89122706689. The next prime is 89122706723. The reversal of 89122706720 is 2760722198.

It can be written as a sum of positive squares in 8 ways, for example, as 80172789904 + 8949916816 = 283148^2 + 94604^2 .

It is not an unprimeable number, because it can be changed into a prime (89122706723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635294 + ... + 762786.

Almost surely, 2^89122706720 is an apocalyptic number.

89122706720 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 89122706720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111903523704).

89122706720 is an abundant number, since it is smaller than the sum of its proper divisors (134684340688).

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

89122706720 is a wasteful number, since it uses less digits than its factorization.

89122706720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127782 (or 127774 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 89122706720 in words is "eighty-nine billion, one hundred twenty-two million, seven hundred six thousand, seven hundred twenty".