6979397256 has 48 divisors (see below), whose sum is σ = 20356578060. Its totient is φ = 2147506560.

The previous prime is 6979397239. The next prime is 6979397297. The reversal of 6979397256 is 6527939796.

It can be written as a sum of positive squares in 2 ways, for example, as 6767694756 + 211702500 = 82266^2 + 14550^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6979397193 and 6979397202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3727375 + ... + 3729246.

Almost surely, 2^6979397256 is an apocalyptic number.

It is an amenable number.

6979397256 is an abundant number, since it is smaller than the sum of its proper divisors (13377180804).

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

6979397256 is a wasteful number, since it uses less digits than its factorization.

6979397256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456646 (or 7456639 counting only the distinct ones).

The product of its digits is 38578680, while the sum is 63.

The square root of 6979397256 is about 83542.7869776919. The cubic root of 6979397256 is about 1911.0525941590.

The spelling of 6979397256 in words is "six billion, nine hundred seventy-nine million, three hundred ninety-seven thousand, two hundred fifty-six".