3113974777 has 2 divisors, whose sum is σ = 3113974778. Its totient is φ = 3113974776.

The previous prime is 3113974763. The next prime is 3113974811. The reversal of 3113974777 is 7774793113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3089581056 + 24393721 = 55584^2 + 4939^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113974777 - 2²⁷ = 2979757049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3113974777.

It is not a weakly prime, because it can be changed into another prime (3113972777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556987388 + 1556987389.

It is an arithmetic number, because the mean of its divisors is an integer number (1556987389).

Almost surely, 2^3113974777 is an apocalyptic number.

It is an amenable number.

3113974777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113974777 is an equidigital number, since it uses as much as digits as its factorization.

3113974777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777924, while the sum is 49.

The square root of 3113974777 is about 55802.9997132771. Note that the first 3 decimals coincide. The cubic root of 3113974777 is about 1460.2874859225.

The spelling of 3113974777 in words is "three billion, one hundred thirteen million, nine hundred seventy-four thousand, seven hundred seventy-seven".