2866772281 has 2 divisors, whose sum is σ = 2866772282. Its totient is φ = 2866772280.

The previous prime is 2866772273. The next prime is 2866772291. The reversal of 2866772281 is 1822776682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2142301225 + 724471056 = 46285^2 + 26916^2 .

It is a cyclic number.

It is not a de Polignac number, because 2866772281 - 2³ = 2866772273 is a prime.

It is a super-2 number, since 2×2866772281² = 16436766622219885922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2866772201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433386140 + 1433386141.

It is an arithmetic number, because the mean of its divisors is an integer number (1433386141).

Almost surely, 2^2866772281 is an apocalyptic number.

It is an amenable number.

2866772281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2866772281 is an equidigital number, since it uses as much as digits as its factorization.

2866772281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 49.

The square root of 2866772281 is about 53542.2476274577. The cubic root of 2866772281 is about 1420.5757568994.

The spelling of 2866772281 in words is "two billion, eight hundred sixty-six million, seven hundred seventy-two thousand, two hundred eighty-one".