84814720292 has 12 divisors (see below), whose sum is σ = 148433412876. Its totient is φ = 42405173760.

The previous prime is 84814720271. The next prime is 84814720297. The reversal of 84814720292 is 29202741848.

It can be written as a sum of positive squares in 2 ways, for example, as 43741212736 + 41073507556 = 209144^2 + 202666^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (84814720297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457709 + ... + 615732.

It is an arithmetic number, because the mean of its divisors is an integer number (12369451073).

Almost surely, 2^84814720292 is an apocalyptic number.

It is an amenable number.

84814720292 is a deficient number, since it is larger than the sum of its proper divisors (63618692584).

84814720292 is a wasteful number, since it uses less digits than its factorization.

84814720292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093198 (or 1093196 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 84814720292 in words is "eighty-four billion, eight hundred fourteen million, seven hundred twenty thousand, two hundred ninety-two".