6979002857 has 2 divisors, whose sum is σ = 6979002858. Its totient is φ = 6979002856.

The previous prime is 6979002839. The next prime is 6979002869. The reversal of 6979002857 is 7582009796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6766543081 + 212459776 = 82259^2 + 14576^2 .

It is a cyclic number.

It is not a de Polignac number, because 6979002857 - 2⁸ = 6979002601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6979002799 and 6979002808.

It is not a weakly prime, because it can be changed into another prime (6979005857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489501428 + 3489501429.

It is an arithmetic number, because the mean of its divisors is an integer number (3489501429).

Almost surely, 2^6979002857 is an apocalyptic number.

It is an amenable number.

6979002857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6979002857 is an equidigital number, since it uses as much as digits as its factorization.

6979002857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 6979002857 is about 83540.4264832303. The cubic root of 6979002857 is about 1911.0165962353.

The spelling of 6979002857 in words is "six billion, nine hundred seventy-nine million, two thousand, eight hundred fifty-seven".