89939360784 has 160 divisors (see below), whose sum is σ = 286091688960. Its totient is φ = 23709436416.

The previous prime is 89939360767. The next prime is 89939360851. The reversal of 89939360784 is 48706393998.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15140887 + ... + 15146825.

It is an arithmetic number, because the mean of its divisors is an integer number (1788073056).

Almost surely, 2^89939360784 is an apocalyptic number.

89939360784 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 89939360784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143045844480).

89939360784 is an abundant number, since it is smaller than the sum of its proper divisors (196152328176).

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

89939360784 is a wasteful number, since it uses less digits than its factorization.

89939360784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437 (or 9431 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 89939360784 in words is "eighty-nine billion, nine hundred thirty-nine million, three hundred sixty thousand, seven hundred eighty-four".