999379458056 has 48 divisors (see below), whose sum is σ = 2191946605200. Its totient is φ = 425912684064.

The previous prime is 999379458047. The next prime is 999379458083. The reversal of 999379458056 is 650854973999.

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 11 ways as a sum of consecutive naturals, for example, 7051166 + ... + 7191501.

It is an arithmetic number, because the mean of its divisors is an integer number (45665554275).

Almost surely, 2^999379458056 is an apocalyptic number.

It is an amenable number.

999379458056 is an abundant number, since it is smaller than the sum of its proper divisors (1192567147144).

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

999379458056 is a wasteful number, since it uses less digits than its factorization.

999379458056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242866 (or 14242855 counting only the distinct ones).

The product of its (nonzero) digits is 661348800, while the sum is 74.

The spelling of 999379458056 in words is "nine hundred ninety-nine billion, three hundred seventy-nine million, four hundred fifty-eight thousand, fifty-six".