88239798720 has 672 divisors, whose sum is σ = 327630251520. Its totient is φ = 21748285440.

The previous prime is 88239798641. The next prime is 88239798761. The reversal of 88239798720 is 2789793288.

It is a happy number.

It is a super-2 number, since 2×88239798720² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 447917662 + ... + 447917858.

Almost surely, 2^88239798720 is an apocalyptic number.

88239798720 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 88239798720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163815125760).

88239798720 is an abundant number, since it is smaller than the sum of its proper divisors (239390452800).

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

88239798720 is a wasteful number, since it uses less digits than its factorization.

88239798720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 440 counting only the distinct ones).

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

The spelling of 88239798720 in words is "eighty-eight billion, two hundred thirty-nine million, seven hundred ninety-eight thousand, seven hundred twenty".