89479581984 has 192 divisors, whose sum is σ = 293278406400. Its totient is φ = 26335051776.

The previous prime is 89479581979. The next prime is 89479582021. The reversal of 89479581984 is 48918597498.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85152 + ... + 431520.

It is an arithmetic number, because the mean of its divisors is an integer number (1527491700).

Almost surely, 2^89479581984 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 89479581984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146639203200).

89479581984 is an abundant number, since it is smaller than the sum of its proper divisors (203798824416).

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

89479581984 is a wasteful number, since it uses less digits than its factorization.

89479581984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346424 (or 346410 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 72.

The spelling of 89479581984 in words is "eighty-nine billion, four hundred seventy-nine million, five hundred eighty-one thousand, nine hundred eighty-four".