99812937796994 has 16 divisors (see below), whose sum is σ = 154141138374432. Its totient is φ = 48446799020928.

The previous prime is 99812937796937. The next prime is 99812937796997. The reversal of 99812937796994 is 49969773921899.

It is not an unprimeable number, because it can be changed into a prime (99812937796997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3560156399 + ... + 3560184434.

It is an arithmetic number, because the mean of its divisors is an integer number (9633821148402).

Almost surely, 2^{99812937796994} is an apocalyptic number.

99812937796994 is a deficient number, since it is larger than the sum of its proper divisors (54328200577438).

99812937796994 is a wasteful number, since it uses less digits than its factorization.

99812937796994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120341041.

The product of its digits is 29998781568, while the sum is 92.

The spelling of 99812937796994 in words is "ninety-nine trillion, eight hundred twelve billion, nine hundred thirty-seven million, seven hundred ninety-six thousand, nine hundred ninety-four".