477468891 has 64 divisors (see below), whose sum is σ = 765158400. Its totient is φ = 293559552.

The previous prime is 477468881. The next prime is 477468949. The reversal of 477468891 is 198864774.

It is a happy number.

477468891 is a `hidden beast` number, since 477 + 4 + 6 + 88 + 91 = 666.

It is not a de Polignac number, because 477468891 - 2⁷ = 477468763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477468881) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2929176 + ... + 2929338.

It is an arithmetic number, because the mean of its divisors is an integer number (11955600).

Almost surely, 2^477468891 is an apocalyptic number.

477468891 is a deficient number, since it is larger than the sum of its proper divisors (287689509).

477468891 is a wasteful number, since it uses less digits than its factorization.

477468891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 331 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 477468891 is about 21851.0615531603. The cubic root of 477468891 is about 781.5948580890.

The spelling of 477468891 in words is "four hundred seventy-seven million, four hundred sixty-eight thousand, eight hundred ninety-one".