2797288979 has 2 divisors, whose sum is σ = 2797288980. Its totient is φ = 2797288978.

The previous prime is 2797288951. The next prime is 2797288997. The reversal of 2797288979 is 9798827972.

Together with next prime (2797288997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2797288979 - 2²⁴ = 2780511763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2797284979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398644489 + 1398644490.

It is an arithmetic number, because the mean of its divisors is an integer number (1398644490).

Almost surely, 2^2797288979 is an apocalyptic number.

2797288979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797288979 is an equidigital number, since it uses as much as digits as its factorization.

2797288979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64012032, while the sum is 68.

The square root of 2797288979 is about 52889.4032770271. The cubic root of 2797288979 is about 1409.0047096450.

The spelling of 2797288979 in words is "two billion, seven hundred ninety-seven million, two hundred eighty-eight thousand, nine hundred seventy-nine".