457686768 has 80 divisors (see below), whose sum is σ = 1474119936. Its totient is φ = 118878720.

The previous prime is 457686709. The next prime is 457686811. The reversal of 457686768 is 867686754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58221 + ... + 65612.

Almost surely, 2^457686768 is an apocalyptic number.

457686768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

457686768 is an abundant number, since it is smaller than the sum of its proper divisors (1016433168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

457686768 is a wasteful number, since it uses less digits than its factorization.

457686768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123862 (or 123856 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The square root of 457686768 is about 21393.6151222742. The cubic root of 457686768 is about 770.6481123366.

The spelling of 457686768 in words is "four hundred fifty-seven million, six hundred eighty-six thousand, seven hundred sixty-eight".