88687428 has 24 divisors (see below), whose sum is σ = 211985760. Its totient is φ = 28841280.

The previous prime is 88687427. The next prime is 88687433. The reversal of 88687428 is 82478688.

It is not an unprimeable number, because it can be changed into a prime (88687427) 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, 89638 + ... + 90621.

It is an arithmetic number, because the mean of its divisors is an integer number (8832740).

Almost surely, 2^88687428 is an apocalyptic number.

It is an amenable number.

88687428 is an abundant number, since it is smaller than the sum of its proper divisors (123298332).

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

88687428 is a wasteful number, since it uses less digits than its factorization.

88687428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180307 (or 180305 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 51.

The square root of 88687428 is about 9417.4002782084. The cubic root of 88687428 is about 445.9512169558.

The spelling of 88687428 in words is "eighty-eight million, six hundred eighty-seven thousand, four hundred twenty-eight".