996786687699 has 12 divisors (see below), whose sum is σ = 1570694174712. Its totient is φ = 604113144000.

The previous prime is 996786687641. The next prime is 996786687703.

It is a happy number.

996786687699 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 996786687699 - 2²⁰ = 996785639123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (996786687499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5034276102 + ... + 5034276299.

It is an arithmetic number, because the mean of its divisors is an integer number (130891181226).

Almost surely, 2^996786687699 is an apocalyptic number.

996786687699 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

996786687699 is a deficient number, since it is larger than the sum of its proper divisors (573907487013).

996786687699 is a wasteful number, since it uses less digits than its factorization.

996786687699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10068552418 (or 10068552415 counting only the distinct ones).

The product of its digits is 26665583616, while the sum is 90.

The spelling of 996786687699 in words is "nine hundred ninety-six billion, seven hundred eighty-six million, six hundred eighty-seven thousand, six hundred ninety-nine".