18830322084978 has 48 divisors (see below), whose sum is σ = 40916536535160. Its totient is φ = 6258697961472.

The previous prime is 18830322084859. The next prime is 18830322084997. The reversal of 18830322084978 is 87948022303881.

18830322084978 is a `hidden beast` number, since 1 + 88 + 30 + 32 + 2 + 0 + 8 + 497 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11978403326289 + 6851918758689 = 3460983^2 + 2617617^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 165865258 + ... + 165978746.

Almost surely, 2^{18830322084978} is an apocalyptic number.

18830322084978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

18830322084978 is an abundant number, since it is smaller than the sum of its proper divisors (22086214450182).

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

18830322084978 is a wasteful number, since it uses less digits than its factorization.

18830322084978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139963 (or 139960 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 18830322084978 in words is "eighteen trillion, eight hundred thirty billion, three hundred twenty-two million, eighty-four thousand, nine hundred seventy-eight".