394997928076 has 6 divisors (see below), whose sum is σ = 691246374140. Its totient is φ = 197498964036.

The previous prime is 394997928071. The next prime is 394997928079. The reversal of 394997928076 is 670829799493.

It is not an unprimeable number, because it can be changed into a prime (394997928071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49374741006 + ... + 49374741013.

Almost surely, 2^394997928076 is an apocalyptic number.

It is an amenable number.

394997928076 is a deficient number, since it is larger than the sum of its proper divisors (296248446064).

394997928076 is a wasteful number, since it uses less digits than its factorization.

394997928076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98749482023 (or 98749482021 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 73.

The spelling of 394997928076 in words is "three hundred ninety-four billion, nine hundred ninety-seven million, nine hundred twenty-eight thousand, seventy-six".