457897223789 has 4 divisors (see below), whose sum is σ = 473686783260. Its totient is φ = 442107664320.

The previous prime is 457897223741. The next prime is 457897223831. The reversal of 457897223789 is 987322798754.

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 238178161225 + 219719062564 = 488035^2 + 468742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457897223789 is a prime.

It is a super-3 number, since 3×457897223789³ (a number of 36 digits) contains 333 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 (457897220789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7894779692 + ... + 7894779749.

It is an arithmetic number, because the mean of its divisors is an integer number (118421695815).

Almost surely, 2^457897223789 is an apocalyptic number.

It is an amenable number.

457897223789 is a deficient number, since it is larger than the sum of its proper divisors (15789559471).

457897223789 is a wasteful number, since it uses less digits than its factorization.

457897223789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15789559470.

The product of its digits is 426746880, while the sum is 71.

The spelling of 457897223789 in words is "four hundred fifty-seven billion, eight hundred ninety-seven million, two hundred twenty-three thousand, seven hundred eighty-nine".