87310490 has 16 divisors (see below), whose sum is σ = 160503552. Its totient is φ = 34180944.

The previous prime is 87310481. The next prime is 87310523. The reversal of 87310490 is 9401378.

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, 92414 + ... + 93353.

It is an arithmetic number, because the mean of its divisors is an integer number (10031472).

Almost surely, 2^87310490 is an apocalyptic number.

87310490 is a deficient number, since it is larger than the sum of its proper divisors (73193062).

87310490 is a wasteful number, since it uses less digits than its factorization.

87310490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185821.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 87310490 is about 9344.0082405786. The cubic root of 87310490 is about 443.6312612281.

The spelling of 87310490 in words is "eighty-seven million, three hundred ten thousand, four hundred ninety".