87615195 has 16 divisors (see below), whose sum is σ = 148430880. Its totient is φ = 43979264.

The previous prime is 87615193. The next prime is 87615197. The reversal of 87615195 is 59151678.

It is an interprime number because it is at equal distance from previous prime (87615193) and next prime (87615197).

It is a cyclic number.

It is not a de Polignac number, because 87615195 - 2¹ = 87615193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87615193) 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, 171540 + ... + 172049.

It is an arithmetic number, because the mean of its divisors is an integer number (9276930).

Almost surely, 2^87615195 is an apocalyptic number.

87615195 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87615195 is a deficient number, since it is larger than the sum of its proper divisors (60815685).

87615195 is a wasteful number, since it uses less digits than its factorization.

87615195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343614.

The product of its digits is 75600, while the sum is 42.

The square root of 87615195 is about 9360.2988734335. The cubic root of 87615195 is about 444.1467384884.

The spelling of 87615195 in words is "eighty-seven million, six hundred fifteen thousand, one hundred ninety-five".