88728784 has 40 divisors (see below), whose sum is σ = 184407840. Its totient is φ = 41228928.

The previous prime is 88728781. The next prime is 88728821. The reversal of 88728784 is 48782788.

It is a super-2 number, since 2×88728784² = 15745594220237312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88728781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13359 + ... + 18865.

It is an arithmetic number, because the mean of its divisors is an integer number (4610196).

Almost surely, 2^88728784 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 88728784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92203920).

88728784 is an abundant number, since it is smaller than the sum of its proper divisors (95679056).

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

88728784 is a wasteful number, since it uses less digits than its factorization.

88728784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587 (or 5581 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 52.

The square root of 88728784 is about 9419.5957450413. The cubic root of 88728784 is about 446.0205236321.

The spelling of 88728784 in words is "eighty-eight million, seven hundred twenty-eight thousand, seven hundred eighty-four".