85657716064315 has 4 divisors (see below), whose sum is σ = 102789259277184. Its totient is φ = 68526172851448.

The previous prime is 85657716064309. The next prime is 85657716064373. The reversal of 85657716064315 is 51346061775658.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85657716064315 - 2⁴³ = 76861623042107 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, 8565771606427 + ... + 8565771606436.

It is an arithmetic number, because the mean of its divisors is an integer number (25697314819296).

Almost surely, 2^{85657716064315} is an apocalyptic number.

85657716064315 is a deficient number, since it is larger than the sum of its proper divisors (17131543212869).

85657716064315 is a wasteful number, since it uses less digits than its factorization.

85657716064315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17131543212868.

The product of its (nonzero) digits is 127008000, while the sum is 64.

The spelling of 85657716064315 in words is "eighty-five trillion, six hundred fifty-seven billion, seven hundred sixteen million, sixty-four thousand, three hundred fifteen".