2794866779 has 4 divisors (see below), whose sum is σ = 2794975776. Its totient is φ = 2794757784.

The previous prime is 2794866713. The next prime is 2794866821. The reversal of 2794866779 is 9776684972.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2794866779 - 2¹² = 2794862683 is a prime.

It is a super-2 number, since 2×2794866779² = 15622560624715669682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2794866709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7397 + ... + 75129.

It is an arithmetic number, because the mean of its divisors is an integer number (698743944).

Almost surely, 2^2794866779 is an apocalyptic number.

2794866779 is a deficient number, since it is larger than the sum of its proper divisors (108997).

2794866779 is an equidigital number, since it uses as much as digits as its factorization.

2794866779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108996.

The product of its digits is 64012032, while the sum is 65.

The square root of 2794866779 is about 52866.4995909508. The cubic root of 2794866779 is about 1408.5979018640.

The spelling of 2794866779 in words is "two billion, seven hundred ninety-four million, eight hundred sixty-six thousand, seven hundred seventy-nine".