89408889584 has 240 divisors, whose sum is σ = 211385220480. Its totient is φ = 36498309120.

The previous prime is 89408889547. The next prime is 89408889617. The reversal of 89408889584 is 48598880498.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347894384 + ... + 347894640.

It is an arithmetic number, because the mean of its divisors is an integer number (880771752).

Almost surely, 2^89408889584 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 89408889584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105692610240).

89408889584 is an abundant number, since it is smaller than the sum of its proper divisors (121976330896).

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

89408889584 is a wasteful number, since it uses less digits than its factorization.

89408889584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 212336640, while the sum is 71.

The spelling of 89408889584 in words is "eighty-nine billion, four hundred eight million, eight hundred eighty-nine thousand, five hundred eighty-four".