87294115 has 4 divisors (see below), whose sum is σ = 104752944. Its totient is φ = 69835288.

The previous prime is 87294079. The next prime is 87294139. The reversal of 87294115 is 51149278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51149278 = 2 ⋅25574639.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87294115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8729407 + ... + 8729416.

It is an arithmetic number, because the mean of its divisors is an integer number (26188236).

Almost surely, 2^87294115 is an apocalyptic number.

87294115 is a deficient number, since it is larger than the sum of its proper divisors (17458829).

87294115 is a wasteful number, since it uses less digits than its factorization.

87294115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17458828.

The product of its digits is 20160, while the sum is 37.

The square root of 87294115 is about 9343.1319695271. The cubic root of 87294115 is about 443.6035252860.

The spelling of 87294115 in words is "eighty-seven million, two hundred ninety-four thousand, one hundred fifteen".