84875821822 has 16 divisors (see below), whose sum is σ = 138914060400. Its totient is φ = 38572599040.

The previous prime is 84875821819. The next prime is 84875821879. The reversal of 84875821822 is 22812857848.

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, 246547 + ... + 480142.

It is an arithmetic number, because the mean of its divisors is an integer number (8682128775).

Almost surely, 2^84875821822 is an apocalyptic number.

84875821822 is a deficient number, since it is larger than the sum of its proper divisors (54038238578).

84875821822 is a wasteful number, since it uses less digits than its factorization.

84875821822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732011.

The product of its digits is 4587520, while the sum is 55.

The spelling of 84875821822 in words is "eighty-four billion, eight hundred seventy-five million, eight hundred twenty-one thousand, eight hundred twenty-two".