89401474988 has 48 divisors (see below), whose sum is σ = 184950657024. Its totient is φ = 37002640320.

The previous prime is 89401474979. The next prime is 89401474993. The reversal of 89401474988 is 88947410498.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 89401474988.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316970 + ... + 528462.

It is an arithmetic number, because the mean of its divisors is an integer number (3853138688).

Almost surely, 2^89401474988 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 89401474988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92475328512).

89401474988 is an abundant number, since it is smaller than the sum of its proper divisors (95549182036).

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

89401474988 is a wasteful number, since it uses less digits than its factorization.

89401474988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212022 (or 212020 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 89401474988 in words is "eighty-nine billion, four hundred one million, four hundred seventy-four thousand, nine hundred eighty-eight".