84818225793 has 64 divisors (see below), whose sum is σ = 137846292480. Its totient is φ = 45313473600.

The previous prime is 84818225771. The next prime is 84818225813. The reversal of 84818225793 is 39752281848.

It is not a de Polignac number, because 84818225793 - 2⁶ = 84818225729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (84818225753) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11566138 + ... + 11573468.

It is an arithmetic number, because the mean of its divisors is an integer number (2153848320).

Almost surely, 2^84818225793 is an apocalyptic number.

It is an amenable number.

84818225793 is a deficient number, since it is larger than the sum of its proper divisors (53028066687).

84818225793 is a wasteful number, since it uses less digits than its factorization.

84818225793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738.

The product of its digits is 7741440, while the sum is 57.

The spelling of 84818225793 in words is "eighty-four billion, eight hundred eighteen million, two hundred twenty-five thousand, seven hundred ninety-three".