477421768 has 8 divisors (see below), whose sum is σ = 895165830. Its totient is φ = 238710880.

The previous prime is 477421757. The next prime is 477421799. The reversal of 477421768 is 867124774.

It can be written as a sum of positive squares in only one way, i.e., 440916004 + 36505764 = 20998^2 + 6042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 29838853 + ... + 29838868.

Almost surely, 2^477421768 is an apocalyptic number.

It is an amenable number.

477421768 is a deficient number, since it is larger than the sum of its proper divisors (417744062).

477421768 is a wasteful number, since it uses less digits than its factorization.

477421768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59677727 (or 59677723 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The square root of 477421768 is about 21849.9832494215. The cubic root of 477421768 is about 781.5691445072.

The spelling of 477421768 in words is "four hundred seventy-seven million, four hundred twenty-one thousand, seven hundred sixty-eight".