996779659 has 8 divisors (see below), whose sum is σ = 1021734000. Its totient is φ = 971856000.

The previous prime is 996779647. The next prime is 996779687. The reversal of 996779659 is 956977699.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996779659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 996779594 and 996779603.

It is not an unprimeable number, because it can be changed into a prime (996779059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67092 + ... + 80590.

It is an arithmetic number, because the mean of its divisors is an integer number (127716750).

Almost surely, 2^996779659 is an apocalyptic number.

996779659 is a deficient number, since it is larger than the sum of its proper divisors (24954341).

996779659 is a wasteful number, since it uses less digits than its factorization.

996779659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15341.

The product of its digits is 57868020, while the sum is 67.

The square root of 996779659 is about 31571.8174801515. The cubic root of 996779659 is about 998.9253986456.

The spelling of 996779659 in words is "nine hundred ninety-six million, seven hundred seventy-nine thousand, six hundred fifty-nine".