457727768 has 8 divisors (see below), whose sum is σ = 858239580. Its totient is φ = 228863880.

The previous prime is 457727759. The next prime is 457727773. The reversal of 457727768 is 867727754.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28607978 + ... + 28607993.

Almost surely, 2^457727768 is an apocalyptic number.

It is an amenable number.

457727768 is a deficient number, since it is larger than the sum of its proper divisors (400511812).

457727768 is a wasteful number, since it uses less digits than its factorization.

457727768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57215977 (or 57215973 counting only the distinct ones).

The product of its digits is 4609920, while the sum is 53.

The square root of 457727768 is about 21394.5733306369. The cubic root of 457727768 is about 770.6711234375.

The spelling of 457727768 in words is "four hundred fifty-seven million, seven hundred twenty-seven thousand, seven hundred sixty-eight".