85627164865 has 16 divisors (see below), whose sum is σ = 112131864000. Its totient is φ = 62253123520.

The previous prime is 85627164859. The next prime is 85627164881. The reversal of 85627164865 is 56846172658.

It is a happy number.

It is not a de Polignac number, because 85627164865 - 2¹⁹ = 85626640577 is a prime.

It is a super-2 number, since 2×85627164865² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100615 + ... + 425884.

It is an arithmetic number, because the mean of its divisors is an integer number (7008241500).

Almost surely, 2^85627164865 is an apocalyptic number.

It is an amenable number.

85627164865 is a deficient number, since it is larger than the sum of its proper divisors (26504699135).

85627164865 is a wasteful number, since it uses less digits than its factorization.

85627164865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529472.

The product of its digits is 19353600, while the sum is 58.

The spelling of 85627164865 in words is "eighty-five billion, six hundred twenty-seven million, one hundred sixty-four thousand, eight hundred sixty-five".