477668406 has 8 divisors (see below), whose sum is σ = 955336824. Its totient is φ = 159222800.

The previous prime is 477668353. The next prime is 477668501. The reversal of 477668406 is 604866774.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

477668406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39805695 + ... + 39805706.

It is an arithmetic number, because the mean of its divisors is an integer number (119417103).

Almost surely, 2^477668406 is an apocalyptic number.

477668406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

477668406 is a wasteful number, since it uses less digits than its factorization.

477668406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79611406.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 477668406 is about 21855.6264151820. The cubic root of 477668406 is about 781.7037085892.

The spelling of 477668406 in words is "four hundred seventy-seven million, six hundred sixty-eight thousand, four hundred six".