84854017674 has 24 divisors (see below), whose sum is σ = 184437765252. Its totient is φ = 28194304320.

The previous prime is 84854017669. The next prime is 84854017679. The reversal of 84854017674 is 47671045848.

84854017674 is a `hidden beast` number, since 84 + 8 + 540 + 17 + 6 + 7 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (84854017669) and next prime (84854017679).

It can be written as a sum of positive squares in 2 ways, for example, as 76416309225 + 8437708449 = 276435^2 + 91857^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84854017674.

It is not an unprimeable number, because it can be changed into a prime (84854017679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7524897 + ... + 7536164.

Almost surely, 2^84854017674 is an apocalyptic number.

84854017674 is an abundant number, since it is smaller than the sum of its proper divisors (99583747578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84854017674 is a wasteful number, since it uses less digits than its factorization.

84854017674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15061382 (or 15061379 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 84854017674 in words is "eighty-four billion, eight hundred fifty-four million, seventeen thousand, six hundred seventy-four".