88723998720 has 576 divisors, whose sum is σ = 355878956160. Its totient is φ = 20023345152.

The previous prime is 88723998709. The next prime is 88723998761. The reversal of 88723998720 is 2789932788.

It is a happy number.

88723998720 is a `hidden beast` number, since 88 + 72 + 399 + 87 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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

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, 53544132 + ... + 53545788.

It is an arithmetic number, because the mean of its divisors is an integer number (617845410).

Almost surely, 2^88723998720 is an apocalyptic number.

88723998720 is a gapful number since it is divisible by the number (80) 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 88723998720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177939478080).

88723998720 is an abundant number, since it is smaller than the sum of its proper divisors (267154957440).

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

88723998720 is a wasteful number, since it uses less digits than its factorization.

88723998720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 88723998720 in words is "eighty-eight billion, seven hundred twenty-three million, nine hundred ninety-eight thousand, seven hundred twenty".