85677894722 has 32 divisors (see below), whose sum is σ = 147212702208. Its totient is φ = 36635106816.

The previous prime is 85677894721. The next prime is 85677894773. The reversal of 85677894722 is 22749877658.

It is not an unprimeable number, because it can be changed into a prime (85677894721) 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, 19752938 + ... + 19757274.

It is an arithmetic number, because the mean of its divisors is an integer number (4600396944).

Almost surely, 2^85677894722 is an apocalyptic number.

85677894722 is a deficient number, since it is larger than the sum of its proper divisors (61534807486).

85677894722 is a wasteful number, since it uses less digits than its factorization.

85677894722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7250.

The product of its digits is 94832640, while the sum is 65.

The spelling of 85677894722 in words is "eighty-five billion, six hundred seventy-seven million, eight hundred ninety-four thousand, seven hundred twenty-two".