87336840 has 32 divisors (see below), whose sum is σ = 262010880. Its totient is φ = 23289792.

The previous prime is 87336839. The next prime is 87336853. The reversal of 87336840 is 4863378.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363784 + ... + 364023.

It is an arithmetic number, because the mean of its divisors is an integer number (8187840).

Almost surely, 2^87336840 is an apocalyptic number.

It is an amenable number.

87336840 is an abundant number, since it is smaller than the sum of its proper divisors (174674040).

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

87336840 is a wasteful number, since it uses less digits than its factorization.

87336840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727821 (or 727817 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 87336840 is about 9345.4181286874. The cubic root of 87336840 is about 443.6758855261.

The spelling of 87336840 in words is "eighty-seven million, three hundred thirty-six thousand, eight hundred forty".