457668866 has 32 divisors (see below), whose sum is σ = 747584640. Its totient is φ = 209293056.

The previous prime is 457668863. The next prime is 457668907. The reversal of 457668866 is 668866754.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (457668863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334115 + ... + 335481.

It is an arithmetic number, because the mean of its divisors is an integer number (23362020).

Almost surely, 2^457668866 is an apocalyptic number.

457668866 is a deficient number, since it is larger than the sum of its proper divisors (289915774).

457668866 is a wasteful number, since it uses less digits than its factorization.

457668866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658.

The product of its digits is 11612160, while the sum is 56.

The square root of 457668866 is about 21393.1967223227. The cubic root of 457668866 is about 770.6380644732.

It can be divided in two parts, 4576688 and 66, that added together give a palindrome (4576754).

The spelling of 457668866 in words is "four hundred fifty-seven million, six hundred sixty-eight thousand, eight hundred sixty-six".