457663678 has 16 divisors (see below), whose sum is σ = 724925520. Its totient is φ = 216098496.

The previous prime is 457663651. The next prime is 457663691. The reversal of 457663678 is 876366754.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6951 + ... + 31042.

It is an arithmetic number, because the mean of its divisors is an integer number (45307845).

Almost surely, 2^457663678 is an apocalyptic number.

457663678 is a deficient number, since it is larger than the sum of its proper divisors (267261842).

457663678 is a wasteful number, since it uses less digits than its factorization.

457663678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38331.

The product of its digits is 5080320, while the sum is 52.

The square root of 457663678 is about 21393.0754684781. The cubic root of 457663678 is about 770.6351525532.

The spelling of 457663678 in words is "four hundred fifty-seven million, six hundred sixty-three thousand, six hundred seventy-eight".