87264715293 has 36 divisors (see below), whose sum is σ = 146661565440. Its totient is φ = 49854296016.

The previous prime is 87264715253. The next prime is 87264715297. The reversal of 87264715293 is 39251746278.

It is a happy number.

87264715293 is a `hidden beast` number, since 8 + 72 + 6 + 47 + 1 + 529 + 3 = 666.

It is not a de Polignac number, because 87264715293 - 2²⁰ = 87263666717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87264715297) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2179428 + ... + 2219106.

Almost surely, 2^87264715293 is an apocalyptic number.

It is an amenable number.

87264715293 is a deficient number, since it is larger than the sum of its proper divisors (59396850147).

87264715293 is a wasteful number, since it uses less digits than its factorization.

87264715293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44686 (or 44676 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 87264715293 in words is "eighty-seven billion, two hundred sixty-four million, seven hundred fifteen thousand, two hundred ninety-three".