89879297898 has 16 divisors (see below), whose sum is σ = 193586180256. Its totient is φ = 27655168560.

The previous prime is 89879297861. The next prime is 89879297899.

89879297898 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 89879297898.

It is not an unprimeable number, because it can be changed into a prime (89879297899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576149268 + ... + 576149423.

It is an arithmetic number, because the mean of its divisors is an integer number (12099136266).

Almost surely, 2^89879297898 is an apocalyptic number.

89879297898 is an abundant number, since it is smaller than the sum of its proper divisors (103706882358).

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

89879297898 is a wasteful number, since it uses less digits than its factorization.

89879297898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152298709.

The product of its digits is 2633637888, while the sum is 84.

The spelling of 89879297898 in words is "eighty-nine billion, eight hundred seventy-nine million, two hundred ninety-seven thousand, eight hundred ninety-eight".