88613720 has 64 divisors (see below), whose sum is σ = 226044000. Its totient is φ = 30993408.

The previous prime is 88613713. The next prime is 88613729. The reversal of 88613720 is 2731688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88613729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5396 + ... + 14364.

Almost surely, 2^88613720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88613720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113022000).

88613720 is an abundant number, since it is smaller than the sum of its proper divisors (137430280).

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

88613720 is a wasteful number, since it uses less digits than its factorization.

88613720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9012 (or 9008 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 88613720 is about 9413.4860705267. The cubic root of 88613720 is about 445.8276395659.

The spelling of 88613720 in words is "eighty-eight million, six hundred thirteen thousand, seven hundred twenty".