2257764823 has 2 divisors, whose sum is σ = 2257764824. Its totient is φ = 2257764822.

The previous prime is 2257764799. The next prime is 2257764853. The reversal of 2257764823 is 3284677522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2257764823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257764853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128882411 + 1128882412.

It is an arithmetic number, because the mean of its divisors is an integer number (1128882412).

Almost surely, 2^2257764823 is an apocalyptic number.

2257764823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257764823 is an equidigital number, since it uses as much as digits as its factorization.

2257764823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 46.

The square root of 2257764823 is about 47515.9428297493. The cubic root of 2257764823 is about 1311.8763436820.

The spelling of 2257764823 in words is "two billion, two hundred fifty-seven million, seven hundred sixty-four thousand, eight hundred twenty-three".