6979932977 has 2 divisors, whose sum is σ = 6979932978. Its totient is φ = 6979932976.

The previous prime is 6979932959. The next prime is 6979932979. The reversal of 6979932977 is 7792399796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6002995441 + 976937536 = 77479^2 + 31256^2 .

It is a cyclic number.

It is not a de Polignac number, because 6979932977 - 2³² = 2684965681 is a prime.

Together with 6979932979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6979932979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489966488 + 3489966489.

It is an arithmetic number, because the mean of its divisors is an integer number (3489966489).

Almost surely, 2^6979932977 is an apocalyptic number.

It is an amenable number.

6979932977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6979932977 is an equidigital number, since it uses as much as digits as its factorization.

6979932977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81015228, while the sum is 68.

The square root of 6979932977 is about 83545.9931833957. The cubic root of 6979932977 is about 1911.1014887735.

The spelling of 6979932977 in words is "six billion, nine hundred seventy-nine million, nine hundred thirty-two thousand, nine hundred seventy-seven".