996873759 has 24 divisors (see below), whose sum is σ = 1646566272. Its totient is φ = 569319120.

The previous prime is 996873707. The next prime is 996873769. The reversal of 996873759 is 957378699.

It is a de Polignac number, because none of the positive numbers 2^k-996873759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 996873696 and 996873705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996873769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148612 + ... + 155174.

It is an arithmetic number, because the mean of its divisors is an integer number (68606928).

Almost surely, 2^996873759 is an apocalyptic number.

996873759 is the 16877-th nonagonal number.

996873759 is a deficient number, since it is larger than the sum of its proper divisors (649692513).

996873759 is a wasteful number, since it uses less digits than its factorization.

996873759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987 (or 8984 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The square root of 996873759 is about 31573.3076981174. The cubic root of 996873759 is about 998.9568318453.

The spelling of 996873759 in words is "nine hundred ninety-six million, eight hundred seventy-three thousand, seven hundred fifty-nine".