84644683775 has 12 divisors (see below), whose sum is σ = 105114464952. Its totient is φ = 67615710240.

The previous prime is 84644683769. The next prime is 84644683831. The reversal of 84644683775 is 57738644648.

It is a de Polignac number, because none of the positive numbers 2^k-84644683775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2483657 + ... + 2517506.

It is an arithmetic number, because the mean of its divisors is an integer number (8759538746).

Almost surely, 2^84644683775 is an apocalyptic number.

84644683775 is a deficient number, since it is larger than the sum of its proper divisors (20469781177).

84644683775 is a wasteful number, since it uses less digits than its factorization.

84644683775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001850 (or 5001845 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 62.

The spelling of 84644683775 in words is "eighty-four billion, six hundred forty-four million, six hundred eighty-three thousand, seven hundred seventy-five".