87157215073 has 16 divisors (see below), whose sum is σ = 88779628800. Its totient is φ = 85549201920.

The previous prime is 87157215071. The next prime is 87157215163. The reversal of 87157215073 is 37051275178.

It is a cyclic number.

It is not a de Polignac number, because 87157215073 - 2¹ = 87157215071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87157215071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10430065 + ... + 10438417.

It is an arithmetic number, because the mean of its divisors is an integer number (5548726800).

Almost surely, 2^87157215073 is an apocalyptic number.

It is an amenable number.

87157215073 is a deficient number, since it is larger than the sum of its proper divisors (1622413727).

87157215073 is a wasteful number, since it uses less digits than its factorization.

87157215073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192.

The product of its (nonzero) digits is 411600, while the sum is 46.

The spelling of 87157215073 in words is "eighty-seven billion, one hundred fifty-seven million, two hundred fifteen thousand, seventy-three".