85888919865 has 16 divisors (see below), whose sum is σ = 157054025088. Its totient is φ = 39263506176.

The previous prime is 85888919813. The next prime is 85888919903. The reversal of 85888919865 is 56891988858.

It is not a de Polignac number, because 85888919865 - 2⁶ = 85888919801 is a prime.

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, 408994752 + ... + 408994961.

It is an arithmetic number, because the mean of its divisors is an integer number (9815876568).

Almost surely, 2^85888919865 is an apocalyptic number.

It is an amenable number.

85888919865 is a deficient number, since it is larger than the sum of its proper divisors (71165105223).

85888919865 is a wasteful number, since it uses less digits than its factorization.

85888919865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817989728.

The product of its digits is 398131200, while the sum is 75.

The spelling of 85888919865 in words is "eighty-five billion, eight hundred eighty-eight million, nine hundred nineteen thousand, eight hundred sixty-five".