996877659 has 4 divisors (see below), whose sum is σ = 1329170216. Its totient is φ = 664585104.

The previous prime is 996877619. The next prime is 996877663. The reversal of 996877659 is 956778699.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 996877659 - 2¹⁶ = 996812123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 996877659.

It is not an unprimeable number, because it can be changed into a prime (996877619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166146274 + ... + 166146279.

It is an arithmetic number, because the mean of its divisors is an integer number (332292554).

Almost surely, 2^996877659 is an apocalyptic number.

996877659 is a deficient number, since it is larger than the sum of its proper divisors (332292557).

996877659 is a wasteful number, since it uses less digits than its factorization.

996877659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332292556.

The product of its digits is 51438240, while the sum is 66.

The square root of 996877659 is about 31573.3694590869. The cubic root of 996877659 is about 998.9581345600.

The spelling of 996877659 in words is "nine hundred ninety-six million, eight hundred seventy-seven thousand, six hundred fifty-nine".