88723728 has 80 divisors (see below), whose sum is σ = 259060800. Its totient is φ = 29073312.

The previous prime is 88723727. The next prime is 88723729. The reversal of 88723728 is 82732788.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (88723727) and next prime (88723729).

Its product of digits (301056) is a multiple of the sum of its prime divisors (64).

It is not an unprimeable number, because it can be changed into a prime (88723721) 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, 1503763 + ... + 1503821.

It is an arithmetic number, because the mean of its divisors is an integer number (3238260).

Almost surely, 2^88723728 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 88723728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129530400).

88723728 is an abundant number, since it is smaller than the sum of its proper divisors (170337072).

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

88723728 is an frugal number, since it uses more digits than its factorization.

88723728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 64 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 88723728 is about 9419.3273645203. The cubic root of 88723728 is about 446.0120516628.

The spelling of 88723728 in words is "eighty-eight million, seven hundred twenty-three thousand, seven hundred twenty-eight".