89117793408 has 128 divisors (see below), whose sum is σ = 276292638720. Its totient is φ = 24920441856.

The previous prime is 89117793377. The next prime is 89117793421. The reversal of 89117793408 is 80439771198.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×89117793408² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226366 + ... + 479037.

It is an arithmetic number, because the mean of its divisors is an integer number (2158536240).

Almost surely, 2^89117793408 is an apocalyptic number.

It is an amenable number.

89117793408 is an abundant number, since it is smaller than the sum of its proper divisors (187174845312).

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

89117793408 is a wasteful number, since it uses less digits than its factorization.

89117793408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705474 (or 705462 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 89117793408 in words is "eighty-nine billion, one hundred seventeen million, seven hundred ninety-three thousand, four hundred eight".