2768863 has 2 divisors, whose sum is σ = 2768864. Its totient is φ = 2768862.

The previous prime is 2768819. The next prime is 2768873. The reversal of 2768863 is 3688672.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2768863 - 2⁹ = 2768351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2768803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384431 + 1384432.

It is an arithmetic number, because the mean of its divisors is an integer number (1384432).

2^2768863 is an apocalyptic number.

2768863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768863 is an equidigital number, since it uses as much as digits as its factorization.

2768863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 2768863 is about 1663.9900841051. The cubic root of 2768863 is about 140.4215694277.

The spelling of 2768863 in words is "two million, seven hundred sixty-eight thousand, eight hundred sixty-three".