457853857 has 2 divisors, whose sum is σ = 457853858. Its totient is φ = 457853856.

The previous prime is 457853839. The next prime is 457853917. The reversal of 457853857 is 758358754.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253478241 + 204375616 = 15921^2 + 14296^2 .

It is a cyclic number.

It is not a de Polignac number, because 457853857 - 2⁷ = 457853729 is a prime.

It is not a weakly prime, because it can be changed into another prime (457853657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228926928 + 228926929.

It is an arithmetic number, because the mean of its divisors is an integer number (228926929).

Almost surely, 2^457853857 is an apocalyptic number.

It is an amenable number.

457853857 is a deficient number, since it is larger than the sum of its proper divisors (1).

457853857 is an equidigital number, since it uses as much as digits as its factorization.

457853857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704000, while the sum is 52.

The square root of 457853857 is about 21397.5198796496. The cubic root of 457853857 is about 770.7418818204.

The spelling of 457853857 in words is "four hundred fifty-seven million, eight hundred fifty-three thousand, eight hundred fifty-seven".