87404608 has 28 divisors (see below), whose sum is σ = 179428140. Its totient is φ = 42194432.

The previous prime is 87404587. The next prime is 87404609. The reversal of 87404608 is 80640478.

It can be written as a sum of positive squares in 2 ways, for example, as 74787904 + 12616704 = 8648^2 + 3552^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87404609) 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, 21691 + ... + 25402.

Almost surely, 2^87404608 is an apocalyptic number.

It is an amenable number.

87404608 is an abundant number, since it is smaller than the sum of its proper divisors (92023532).

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

87404608 is a wasteful number, since it uses less digits than its factorization.

87404608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47134 (or 47124 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 87404608 is about 9349.0431595966. The cubic root of 87404608 is about 443.7906108968.

The spelling of 87404608 in words is "eighty-seven million, four hundred four thousand, six hundred eight".