87195315 has 32 divisors (see below), whose sum is σ = 147873600. Its totient is φ = 43796480.

The previous prime is 87195299. The next prime is 87195319. The reversal of 87195315 is 51359178.

It is not a de Polignac number, because 87195315 - 2⁴ = 87195299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87195319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15391 + ... + 20279.

It is an arithmetic number, because the mean of its divisors is an integer number (4621050).

Almost surely, 2^87195315 is an apocalyptic number.

87195315 is a deficient number, since it is larger than the sum of its proper divisors (60678285).

87195315 is a wasteful number, since it uses less digits than its factorization.

87195315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967.

The product of its digits is 37800, while the sum is 39.

The square root of 87195315 is about 9337.8431663848. The cubic root of 87195315 is about 443.4361044022.

The spelling of 87195315 in words is "eighty-seven million, one hundred ninety-five thousand, three hundred fifteen".