87512236815 has 8 divisors (see below), whose sum is σ = 140019578928. Its totient is φ = 46673192960.

The previous prime is 87512236789. The next prime is 87512236909. The reversal of 87512236815 is 51863221578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87512236815 - 2⁵ = 87512236783 is a prime.

It is a congruent number.

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, 2917074546 + ... + 2917074575.

It is an arithmetic number, because the mean of its divisors is an integer number (17502447366).

Almost surely, 2^87512236815 is an apocalyptic number.

87512236815 is a deficient number, since it is larger than the sum of its proper divisors (52507342113).

87512236815 is a wasteful number, since it uses less digits than its factorization.

87512236815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834149129.

The product of its digits is 806400, while the sum is 48.

The spelling of 87512236815 in words is "eighty-seven billion, five hundred twelve million, two hundred thirty-six thousand, eight hundred fifteen".