477666672 has 40 divisors (see below), whose sum is σ = 1410254976. Its totient is φ = 136476096.

The previous prime is 477666659. The next prime is 477666677. The reversal of 477666672 is 276666774.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477666677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710478 + ... + 711149.

Almost surely, 2^477666672 is an apocalyptic number.

477666672 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

477666672 is an abundant number, since it is smaller than the sum of its proper divisors (932588304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477666672 is a wasteful number, since it uses less digits than its factorization.

477666672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421645 (or 1421639 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 51.

The square root of 477666672 is about 21855.5867457271. The cubic root of 477666672 is about 781.7027626919.

The spelling of 477666672 in words is "four hundred seventy-seven million, six hundred sixty-six thousand, six hundred seventy-two".