6767898979 has 2 divisors, whose sum is σ = 6767898980. Its totient is φ = 6767898978.

The previous prime is 6767898959. The next prime is 6767898989. The reversal of 6767898979 is 9798987676.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6767898979 is a prime.

It is not a weakly prime, because it can be changed into another prime (6767898959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383949489 + 3383949490.

It is an arithmetic number, because the mean of its divisors is an integer number (3383949490).

Almost surely, 2^6767898979 is an apocalyptic number.

6767898979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6767898979 is an equidigital number, since it uses as much as digits as its factorization.

6767898979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576108288, while the sum is 76.

The square root of 6767898979 is about 82267.2412263837. The cubic root of 6767898979 is about 1891.5505671851.

The spelling of 6767898979 in words is "six billion, seven hundred sixty-seven million, eight hundred ninety-eight thousand, nine hundred seventy-nine".