996249988805 has 16 divisors (see below), whose sum is σ = 1201264646400. Its totient is φ = 793161122880.

The previous prime is 996249988763. The next prime is 996249988817. The reversal of 996249988805 is 508889942699.

It is a de Polignac number, because none of the positive numbers 2^k-996249988805 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622915 + ... + 2150895.

It is an arithmetic number, because the mean of its divisors is an integer number (75079040400).

Almost surely, 2^996249988805 is an apocalyptic number.

It is an amenable number.

996249988805 is a deficient number, since it is larger than the sum of its proper divisors (205014657595).

996249988805 is a wasteful number, since it uses less digits than its factorization.

996249988805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529804.

The product of its (nonzero) digits is 806215680, while the sum is 77.

The spelling of 996249988805 in words is "nine hundred ninety-six billion, two hundred forty-nine million, nine hundred eighty-eight thousand, eight hundred five".