2792899979 has 2 divisors, whose sum is σ = 2792899980. Its totient is φ = 2792899978.

The previous prime is 2792899973. The next prime is 2792899997. The reversal of 2792899979 is 9799982972.

Together with next prime (2792899997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2792899979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2792899973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1396449989 + 1396449990.

It is an arithmetic number, because the mean of its divisors is an integer number (1396449990).

Almost surely, 2^2792899979 is an apocalyptic number.

2792899979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2792899979 is an equidigital number, since it uses as much as digits as its factorization.

2792899979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92588832, while the sum is 71.

The square root of 2792899979 is about 52847.8947452025. The cubic root of 2792899979 is about 1408.2674054343.

The spelling of 2792899979 in words is "two billion, seven hundred ninety-two million, eight hundred ninety-nine thousand, nine hundred seventy-nine".