85668167764 has 24 divisors (see below), whose sum is σ = 151045745760. Its totient is φ = 42513158304.

The previous prime is 85668167759. The next prime is 85668167791. The reversal of 85668167764 is 46776186658.

It is a junction number, because it is equal to n+sod(n) for n = 85668167696 and 85668167705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260082 + ... + 488854.

It is an arithmetic number, because the mean of its divisors is an integer number (6293572740).

Almost surely, 2^85668167764 is an apocalyptic number.

It is an amenable number.

85668167764 is a deficient number, since it is larger than the sum of its proper divisors (65377577996).

85668167764 is a wasteful number, since it uses less digits than its factorization.

85668167764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229479 (or 229477 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 64.

The spelling of 85668167764 in words is "eighty-five billion, six hundred sixty-eight million, one hundred sixty-seven thousand, seven hundred sixty-four".