457947263844765 has 24 divisors (see below), whose sum is σ = 796937708575008. Its totient is φ = 243265478796000.

The previous prime is 457947263844743. The next prime is 457947263844773. The reversal of 457947263844765 is 567448362749754.

457947263844765 is a `hidden beast` number, since 4 + 5 + 7 + 9 + 4 + 7 + 2 + 63 + 84 + 476 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-457947263844765 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20272111939 + ... + 20272134528.

It is an arithmetic number, because the mean of its divisors is an integer number (33205737857292).

Almost surely, 2^{457947263844765} is an apocalyptic number.

457947263844765 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

457947263844765 is a deficient number, since it is larger than the sum of its proper divisors (338990444730243).

457947263844765 is a wasteful number, since it uses less digits than its factorization.

457947263844765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40544246729 (or 40544246726 counting only the distinct ones).

The product of its digits is 34139750400, while the sum is 81.

The spelling of 457947263844765 in words is "four hundred fifty-seven trillion, nine hundred forty-seven billion, two hundred sixty-three million, eight hundred forty-four thousand, seven hundred sixty-five".