6984772279 has 2 divisors, whose sum is σ = 6984772280. Its totient is φ = 6984772278.

The previous prime is 6984772247. The next prime is 6984772283. The reversal of 6984772279 is 9722774896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6984772279 - 2⁵ = 6984772247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6984772219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492386139 + 3492386140.

It is an arithmetic number, because the mean of its divisors is an integer number (3492386140).

Almost surely, 2^6984772279 is an apocalyptic number.

6984772279 is a deficient number, since it is larger than the sum of its proper divisors (1).

6984772279 is an equidigital number, since it uses as much as digits as its factorization.

6984772279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 61.

The square root of 6984772279 is about 83574.9500687856. The cubic root of 6984772279 is about 1911.5430527424.

The spelling of 6984772279 in words is "six billion, nine hundred eighty-four million, seven hundred seventy-two thousand, two hundred seventy-nine".