2268774577 has 2 divisors, whose sum is σ = 2268774578. Its totient is φ = 2268774576.

The previous prime is 2268774509. The next prime is 2268774581. The reversal of 2268774577 is 7754778622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2220388641 + 48385936 = 47121^2 + 6956^2 .

It is a cyclic number.

It is not a de Polignac number, because 2268774577 - 2²³ = 2260385969 is a prime.

It is a super-3 number, since 3×2268774577³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2268774077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134387288 + 1134387289.

It is an arithmetic number, because the mean of its divisors is an integer number (1134387289).

Almost surely, 2^2268774577 is an apocalyptic number.

It is an amenable number.

2268774577 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268774577 is an equidigital number, since it uses as much as digits as its factorization.

2268774577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9219840, while the sum is 55.

The square root of 2268774577 is about 47631.6551990375. The cubic root of 2268774577 is about 1314.0052961414.

The spelling of 2268774577 in words is "two billion, two hundred sixty-eight million, seven hundred seventy-four thousand, five hundred seventy-seven".