457778097043171 has 2 divisors, whose sum is σ = 457778097043172. Its totient is φ = 457778097043170.

The previous prime is 457778097043129. The next prime is 457778097043219. The reversal of 457778097043171 is 171340790877754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457778097043171 - 2²⁹ = 457777560172259 is a prime.

It is a super-2 number, since 2×457778097043171² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 457778097043171.

It is not a weakly prime, because it can be changed into another prime (457778097053171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228889048521585 + 228889048521586.

It is an arithmetic number, because the mean of its divisors is an integer number (228889048521586).

Almost surely, 2^{457778097043171} is an apocalyptic number.

457778097043171 is a deficient number, since it is larger than the sum of its proper divisors (1).

457778097043171 is an equidigital number, since it uses as much as digits as its factorization.

457778097043171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290424960, while the sum is 70.

The spelling of 457778097043171 in words is "four hundred fifty-seven trillion, seven hundred seventy-eight billion, ninety-seven million, forty-three thousand, one hundred seventy-one".