16967779839 has 6 divisors (see below), whose sum is σ = 24509015336. Its totient is φ = 11311853220.

The previous prime is 16967779837. The next prime is 16967779861. The reversal of 16967779839 is 93897776961.

It is a happy number.

It is not a de Polignac number, because 16967779839 - 2¹ = 16967779837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16967779831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 942654427 + ... + 942654444.

Almost surely, 2^16967779839 is an apocalyptic number.

16967779839 is a deficient number, since it is larger than the sum of its proper divisors (7541235497).

16967779839 is a wasteful number, since it uses less digits than its factorization.

16967779839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885308877 (or 1885308874 counting only the distinct ones).

The product of its digits is 216040608, while the sum is 72.

The spelling of 16967779839 in words is "sixteen billion, nine hundred sixty-seven million, seven hundred seventy-nine thousand, eight hundred thirty-nine".