6906797879 has 2 divisors, whose sum is σ = 6906797880. Its totient is φ = 6906797878.

The previous prime is 6906797867. The next prime is 6906797917. The reversal of 6906797879 is 9787976096.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6906797879 - 2¹² = 6906793783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6906797809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3453398939 + 3453398940.

It is an arithmetic number, because the mean of its divisors is an integer number (3453398940).

Almost surely, 2^6906797879 is an apocalyptic number.

6906797879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6906797879 is an equidigital number, since it uses as much as digits as its factorization.

6906797879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72013536, while the sum is 68.

The square root of 6906797879 is about 83107.1469790655. The cubic root of 6906797879 is about 1904.4032574490.

The spelling of 6906797879 in words is "six billion, nine hundred six million, seven hundred ninety-seven thousand, eight hundred seventy-nine".