2668877 has 2 divisors, whose sum is σ = 2668878. Its totient is φ = 2668876.

The previous prime is 2668849. The next prime is 2668879. The reversal of 2668877 is 7788662.

It is a happy number.

2668877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2019241 + 649636 = 1421^2 + 806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2668877 is a prime.

It is a super-2 number, since 2×2668877² = 14245808882258, which contains 22 as substring.

Together with 2668879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2668879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334438 + 1334439.

It is an arithmetic number, because the mean of its divisors is an integer number (1334439).

2^2668877 is an apocalyptic number.

It is an amenable number.

2668877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668877 is an equidigital number, since it uses as much as digits as its factorization.

2668877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 44.

The square root of 2668877 is about 1633.6697952769. The cubic root of 2668877 is about 138.7105582776.

The spelling of 2668877 in words is "two million, six hundred sixty-eight thousand, eight hundred seventy-seven".