2770774139 has 6 divisors (see below), whose sum is σ = 3223145484. Its totient is φ = 2374949220.

The previous prime is 2770774133. The next prime is 2770774159. The reversal of 2770774139 is 9314770772.

2770774139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2770774139 - 2¹² = 2770770043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2770774093 and 2770774102.

It is not an unprimeable number, because it can be changed into a prime (2770774133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28273157 + ... + 28273254.

It is an arithmetic number, because the mean of its divisors is an integer number (537190914).

Almost surely, 2^2770774139 is an apocalyptic number.

2770774139 is a deficient number, since it is larger than the sum of its proper divisors (452371345).

2770774139 is an equidigital number, since it uses as much as digits as its factorization.

2770774139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56546425 (or 56546418 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 2770774139 is about 52638.1433848117. The cubic root of 2770774139 is about 1404.5386949906.

The spelling of 2770774139 in words is "two billion, seven hundred seventy million, seven hundred seventy-four thousand, one hundred thirty-nine".