6979796027838 has 16 divisors (see below), whose sum is σ = 15510657839760. Its totient is φ = 2326598675928.

The previous prime is 6979796027783. The next prime is 6979796027843. The reversal of 6979796027838 is 8387206979796.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64627740945 + ... + 64627741052.

It is an arithmetic number, because the mean of its divisors is an integer number (969416114985).

Almost surely, 2^{6979796027838} is an apocalyptic number.

6979796027838 is an abundant number, since it is smaller than the sum of its proper divisors (8530861811922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6979796027838 is a wasteful number, since it uses less digits than its factorization.

6979796027838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129255482008 (or 129255482002 counting only the distinct ones).

The product of its (nonzero) digits is 3456649728, while the sum is 81.

The spelling of 6979796027838 in words is "six trillion, nine hundred seventy-nine billion, seven hundred ninety-six million, twenty-seven thousand, eight hundred thirty-eight".