87435808 has 24 divisors (see below), whose sum is σ = 173205648. Its totient is φ = 43447104.

The previous prime is 87435793. The next prime is 87435827. The reversal of 87435808 is 80853478.

It is a happy number.

It is a super-4 number, since 4×87435808⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (7216902).

Almost surely, 2^87435808 is an apocalyptic number.

It is an amenable number.

87435808 is a deficient number, since it is larger than the sum of its proper divisors (85769840).

87435808 is a wasteful number, since it uses less digits than its factorization.

87435808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16936 (or 16928 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 87435808 is about 9350.7116306728. The cubic root of 87435808 is about 443.8434098669.

The spelling of 87435808 in words is "eighty-seven million, four hundred thirty-five thousand, eight hundred eight".