477726868 has 24 divisors (see below), whose sum is σ = 851369120. Its totient is φ = 234493920.

The previous prime is 477726863. The next prime is 477726881. The reversal of 477726868 is 868627774.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477726863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149455 + ... + 152617.

Almost surely, 2^477726868 is an apocalyptic number.

It is an amenable number.

477726868 is a deficient number, since it is larger than the sum of its proper divisors (373642252).

477726868 is a wasteful number, since it uses less digits than its factorization.

477726868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847 (or 3845 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 55.

The square root of 477726868 is about 21856.9638330670. The cubic root of 477726868 is about 781.7355982832.

The spelling of 477726868 in words is "four hundred seventy-seven million, seven hundred twenty-six thousand, eight hundred sixty-eight".