87863808 has 40 divisors (see below), whose sum is σ = 234078768. Its totient is φ = 29287424.

The previous prime is 87863801. The next prime is 87863813. The reversal of 87863808 is 80836878.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (87863801) 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, 27066 + ... + 30137.

Almost surely, 2^87863808 is an apocalyptic number.

It is an amenable number.

87863808 is an abundant number, since it is smaller than the sum of its proper divisors (146214960).

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

87863808 is an equidigital number, since it uses as much as digits as its factorization.

87863808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57224 (or 57208 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 87863808 is about 9373.5696508854. The cubic root of 87863808 is about 444.5664388073.

The spelling of 87863808 in words is "eighty-seven million, eight hundred sixty-three thousand, eight hundred eight".