2742862879 has 2 divisors, whose sum is σ = 2742862880. Its totient is φ = 2742862878.

The previous prime is 2742862853. The next prime is 2742862897. The reversal of 2742862879 is 9782682472.

Together with next prime (2742862897) 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 2742862879 - 2⁵ = 2742862847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2742862379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371431439 + 1371431440.

It is an arithmetic number, because the mean of its divisors is an integer number (1371431440).

Almost surely, 2^2742862879 is an apocalyptic number.

2742862879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742862879 is an equidigital number, since it uses as much as digits as its factorization.

2742862879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 55.

The square root of 2742862879 is about 52372.3484197530. The cubic root of 2742862879 is about 1399.8065853552.

The spelling of 2742862879 in words is "two billion, seven hundred forty-two million, eight hundred sixty-two thousand, eight hundred seventy-nine".