84645731792456 has 16 divisors (see below), whose sum is σ = 163830448631040. Its totient is φ = 40957612157520.

The previous prime is 84645731792411. The next prime is 84645731792473. The reversal of 84645731792456 is 65429713754648.

It is a self number, because there is not a number n which added to its sum of digits gives 84645731792456.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170656717076 + ... + 170656717571.

It is an arithmetic number, because the mean of its divisors is an integer number (10239403039440).

Almost surely, 2^{84645731792456} is an apocalyptic number.

It is an amenable number.

84645731792456 is a deficient number, since it is larger than the sum of its proper divisors (79184716838584).

84645731792456 is a wasteful number, since it uses less digits than its factorization.

84645731792456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341313434684 (or 341313434680 counting only the distinct ones).

The product of its digits is 1219276800, while the sum is 71.

The spelling of 84645731792456 in words is "eighty-four trillion, six hundred forty-five billion, seven hundred thirty-one million, seven hundred ninety-two thousand, four hundred fifty-six".