457911863 has 2 divisors, whose sum is σ = 457911864. Its totient is φ = 457911862.

The previous prime is 457911833. The next prime is 457911911. The reversal of 457911863 is 368119754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457911863 is a prime.

It is a super-2 number, since 2×457911863² = 419366548552261538, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457911833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228955931 + 228955932.

It is an arithmetic number, because the mean of its divisors is an integer number (228955932).

Almost surely, 2^457911863 is an apocalyptic number.

457911863 is a deficient number, since it is larger than the sum of its proper divisors (1).

457911863 is an equidigital number, since it uses as much as digits as its factorization.

457911863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 457911863 is about 21398.8752741821. The cubic root of 457911863 is about 770.7744291533.

The spelling of 457911863 in words is "four hundred fifty-seven million, nine hundred eleven thousand, eight hundred sixty-three".