2776742057 has 2 divisors, whose sum is σ = 2776742058. Its totient is φ = 2776742056.

The previous prime is 2776742051. The next prime is 2776742063. The reversal of 2776742057 is 7502476772.

It is a balanced prime because it is at equal distance from previous prime (2776742051) and next prime (2776742063).

It can be written as a sum of positive squares in only one way, i.e., 2751631936 + 25110121 = 52456^2 + 5011^2 .

It is a cyclic number.

It is not a de Polignac number, because 2776742057 - 2⁶ = 2776741993 is a prime.

It is a super-2 number, since 2×2776742057² = 15420592902225182498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2776742051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388371028 + 1388371029.

It is an arithmetic number, because the mean of its divisors is an integer number (1388371029).

Almost surely, 2^2776742057 is an apocalyptic number.

It is an amenable number.

2776742057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2776742057 is an equidigital number, since it uses as much as digits as its factorization.

2776742057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152480, while the sum is 47.

The square root of 2776742057 is about 52694.8010433667. The cubic root of 2776742057 is about 1405.5463749702.

The spelling of 2776742057 in words is "two billion, seven hundred seventy-six million, seven hundred forty-two thousand, fifty-seven".