89765394264 has 320 divisors, whose sum is σ = 310036151040. Its totient is φ = 23629397760.

The previous prime is 89765394263. The next prime is 89765394283. The reversal of 89765394264 is 46249356798.

89765394264 is a `hidden beast` number, since 8 + 9 + 76 + 539 + 4 + 26 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89765394263) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 40745787 + ... + 40747989.

It is an arithmetic number, because the mean of its divisors is an integer number (968862972).

Almost surely, 2^89765394264 is an apocalyptic number.

89765394264 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 89765394264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155018075520).

89765394264 is an abundant number, since it is smaller than the sum of its proper divisors (220270756776).

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

89765394264 is a wasteful number, since it uses less digits than its factorization.

89765394264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932 (or 2919 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 89765394264 in words is "eighty-nine billion, seven hundred sixty-five million, three hundred ninety-four thousand, two hundred sixty-four".