87316080 has 80 divisors (see below), whose sum is σ = 286615584. Its totient is φ = 21913600.

The previous prime is 87316067. The next prime is 87316081. The reversal of 87316080 is 8061378.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87316081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6621 + ... + 14780.

Almost surely, 2^87316080 is an apocalyptic number.

87316080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87316080 is an abundant number, since it is smaller than the sum of its proper divisors (199299504).

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

87316080 is a wasteful number, since it uses less digits than its factorization.

87316080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21434 (or 21428 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 87316080 is about 9344.3073579586. The cubic root of 87316080 is about 443.6407287649.

The spelling of 87316080 in words is "eighty-seven million, three hundred sixteen thousand, eighty".