88315728 has 20 divisors (see below), whose sum is σ = 228149088. Its totient is φ = 29438560.

The previous prime is 88315709. The next prime is 88315729. The reversal of 88315728 is 82751388.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 88315728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88315729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919908 + ... + 920003.

Almost surely, 2^88315728 is an apocalyptic number.

It is an amenable number.

88315728 is an abundant number, since it is smaller than the sum of its proper divisors (139833360).

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

88315728 is a wasteful number, since it uses less digits than its factorization.

88315728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839922 (or 1839916 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 88315728 is about 9397.6448113344. The cubic root of 88315728 is about 445.3273322804.

The spelling of 88315728 in words is "eighty-eight million, three hundred fifteen thousand, seven hundred twenty-eight".