457773893 has 4 divisors (see below), whose sum is σ = 458399148. Its totient is φ = 457148640.

The previous prime is 457773881. The next prime is 457773917. The reversal of 457773893 is 398377754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 376088449 + 81685444 = 19393^2 + 9038^2 .

It is a cyclic number.

It is not a de Polignac number, because 457773893 - 2¹⁰ = 457772869 is a prime.

It is a super-2 number, since 2×457773893² = 419113874224750898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457773293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311528 + ... + 312993.

It is an arithmetic number, because the mean of its divisors is an integer number (114599787).

Almost surely, 2^457773893 is an apocalyptic number.

It is an amenable number.

457773893 is a deficient number, since it is larger than the sum of its proper divisors (625255).

457773893 is an equidigital number, since it uses as much as digits as its factorization.

457773893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625254.

The product of its digits is 4445280, while the sum is 53.

The square root of 457773893 is about 21395.6512637498. The cubic root of 457773893 is about 770.6970092836.

The spelling of 457773893 in words is "four hundred fifty-seven million, seven hundred seventy-three thousand, eight hundred ninety-three".