996638836699 has 8 divisors (see below), whose sum is σ = 1092395177280. Its totient is φ = 901741297800.

The previous prime is 996638836679. The next prime is 996638836717.

996638836699 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 996638836699 - 2⁵ = 996638836667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (996638836679) 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, 214697989 + ... + 214702630.

It is an arithmetic number, because the mean of its divisors is an integer number (136549397160).

Almost surely, 2^996638836699 is an apocalyptic number.

996638836699 is a deficient number, since it is larger than the sum of its proper divisors (95756340581).

996638836699 is a wasteful number, since it uses less digits than its factorization.

996638836699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429400841.

The product of its digits is 4897760256, while the sum is 82.

The spelling of 996638836699 in words is "nine hundred ninety-six billion, six hundred thirty-eight million, eight hundred thirty-six thousand, six hundred ninety-nine".