89879189136 has 240 divisors, whose sum is σ = 275506116480. Its totient is φ = 25152512000.

The previous prime is 89879189117. The next prime is 89879189149. The reversal of 89879189136 is 63198197898.

It is a Harshad number since it is a multiple of its sum of digits (69).

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 47 ways as a sum of consecutive naturals, for example, 3862336 + ... + 3885536.

It is an arithmetic number, because the mean of its divisors is an integer number (1147942152).

Almost surely, 2^89879189136 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 89879189136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137753058240).

89879189136 is an abundant number, since it is smaller than the sum of its proper divisors (185626927344).

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

89879189136 is a wasteful number, since it uses less digits than its factorization.

89879189136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23286 (or 23269 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 69.

The spelling of 89879189136 in words is "eighty-nine billion, eight hundred seventy-nine million, one hundred eighty-nine thousand, one hundred thirty-six".