85572322367665 has 64 divisors (see below), whose sum is σ = 120070060830720. Its totient is φ = 57338636762880.

The previous prime is 85572322367663. The next prime is 85572322367671. The reversal of 85572322367665 is 56676322327558.

It is not a de Polignac number, because 85572322367665 - 2¹ = 85572322367663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85572322367665.

It is not an unprimeable number, because it can be changed into a prime (85572322367663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180567652 + ... + 181040938.

It is an arithmetic number, because the mean of its divisors is an integer number (1876094700480).

Almost surely, 2^{85572322367665} is an apocalyptic number.

It is an amenable number.

85572322367665 is a deficient number, since it is larger than the sum of its proper divisors (34497738463055).

85572322367665 is a wasteful number, since it uses less digits than its factorization.

85572322367665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474062.

The product of its digits is 762048000, while the sum is 67.

The spelling of 85572322367665 in words is "eighty-five trillion, five hundred seventy-two billion, three hundred twenty-two million, three hundred sixty-seven thousand, six hundred sixty-five".