88615872 has 84 divisors (see below), whose sum is σ = 265084560. Its totient is φ = 28250112.

The previous prime is 88615871. The next prime is 88615873. The reversal of 88615872 is 27851688.

88615872 is a `hidden beast` number, since 8 + 8 + 61 + 587 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (88615871) and next prime (88615873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88615871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9904 + ... + 16592.

Almost surely, 2^88615872 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 88615872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132542280).

88615872 is an abundant number, since it is smaller than the sum of its proper divisors (176468688).

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

88615872 is a wasteful number, since it uses less digits than its factorization.

88615872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730 (or 6717 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 88615872 is about 9413.6003739271. The cubic root of 88615872 is about 445.8312485379.

The spelling of 88615872 in words is "eighty-eight million, six hundred fifteen thousand, eight hundred seventy-two".