457642152827 has 2 divisors, whose sum is σ = 457642152828. Its totient is φ = 457642152826.

The previous prime is 457642152817. The next prime is 457642152893. The reversal of 457642152827 is 728251246754.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457642152827 - 2¹⁶ = 457642087291 is a prime.

It is not a weakly prime, because it can be changed into another prime (457642152817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228821076413 + 228821076414.

It is an arithmetic number, because the mean of its divisors is an integer number (228821076414).

Almost surely, 2^457642152827 is an apocalyptic number.

457642152827 is a deficient number, since it is larger than the sum of its proper divisors (1).

457642152827 is an equidigital number, since it uses as much as digits as its factorization.

457642152827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7526400, while the sum is 53.

The spelling of 457642152827 in words is "four hundred fifty-seven billion, six hundred forty-two million, one hundred fifty-two thousand, eight hundred twenty-seven".