89985874944 has 176 divisors, whose sum is σ = 277416776448. Its totient is φ = 25399984128.

The previous prime is 89985874921. The next prime is 89985874949. The reversal of 89985874944 is 44947858998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89985874949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1759624 + ... + 1810040.

Almost surely, 2^89985874944 is an apocalyptic number.

89985874944 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89985874944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138708388224).

89985874944 is an abundant number, since it is smaller than the sum of its proper divisors (187430901504).

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

89985874944 is a wasteful number, since it uses less digits than its factorization.

89985874944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50530 (or 50512 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 75.

The spelling of 89985874944 in words is "eighty-nine billion, nine hundred eighty-five million, eight hundred seventy-four thousand, nine hundred forty-four".