2678792947 has 2 divisors, whose sum is σ = 2678792948. Its totient is φ = 2678792946.

The previous prime is 2678792927. The next prime is 2678792981. The reversal of 2678792947 is 7492978762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2678792947 - 2²⁷ = 2544575219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2678792917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339396473 + 1339396474.

It is an arithmetic number, because the mean of its divisors is an integer number (1339396474).

Almost surely, 2^2678792947 is an apocalyptic number.

2678792947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678792947 is an equidigital number, since it uses as much as digits as its factorization.

2678792947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 61.

The square root of 2678792947 is about 51757.0569777687. The cubic root of 2678792947 is about 1388.8213438827.

The spelling of 2678792947 in words is "two billion, six hundred seventy-eight million, seven hundred ninety-two thousand, nine hundred forty-seven".