477798478 has 24 divisors (see below), whose sum is σ = 735005880. Its totient is φ = 232923600.

The previous prime is 477798469. The next prime is 477798479. The reversal of 477798478 is 874897774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477798479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1260493 + ... + 1260871.

It is an arithmetic number, because the mean of its divisors is an integer number (30625245).

Almost surely, 2^477798478 is an apocalyptic number.

477798478 is a deficient number, since it is larger than the sum of its proper divisors (257207402).

477798478 is a wasteful number, since it uses less digits than its factorization.

477798478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 561 counting only the distinct ones).

The product of its digits is 22127616, while the sum is 61.

The square root of 477798478 is about 21858.6019223554. The cubic root of 477798478 is about 781.7746563679.

The spelling of 477798478 in words is "four hundred seventy-seven million, seven hundred ninety-eight thousand, four hundred seventy-eight".