7422899279 has 2 divisors, whose sum is σ = 7422899280. Its totient is φ = 7422899278.

The previous prime is 7422899257. The next prime is 7422899293. The reversal of 7422899279 is 9729982247.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7422899279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7422896279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711449639 + 3711449640.

It is an arithmetic number, because the mean of its divisors is an integer number (3711449640).

Almost surely, 2^7422899279 is an apocalyptic number.

7422899279 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422899279 is an equidigital number, since it uses as much as digits as its factorization.

7422899279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 59.

The square root of 7422899279 is about 86156.2492161770. The cubic root of 7422899279 is about 1950.7031677536.

The spelling of 7422899279 in words is "seven billion, four hundred twenty-two million, eight hundred ninety-nine thousand, two hundred seventy-nine".