84242774244231 has 24 divisors (see below), whose sum is σ = 123843513160640. Its totient is φ = 55167606360000.

The previous prime is 84242774244203. The next prime is 84242774244257. The reversal of 84242774244231 is 13244247724248.

84242774244231 is a `hidden beast` number, since 8 + 42 + 42 + 77 + 424 + 42 + 31 = 666.

It is not a de Polignac number, because 84242774244231 - 2²⁵ = 84242740689799 is a prime.

It is a super-2 number, since 2×84242774244231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84242774284231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101749936 + ... + 102574533.

Almost surely, 2^{84242774244231} is an apocalyptic number.

84242774244231 is a deficient number, since it is larger than the sum of its proper divisors (39600738916409).

84242774244231 is a wasteful number, since it uses less digits than its factorization.

84242774244231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204325287 (or 204325284 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 54.

The spelling of 84242774244231 in words is "eighty-four trillion, two hundred forty-two billion, seven hundred seventy-four million, two hundred forty-four thousand, two hundred thirty-one".