477681347 has 8 divisors (see below), whose sum is σ = 561192240. Its totient is φ = 400851360.

The previous prime is 477681343. The next prime is 477681353. The reversal of 477681347 is 743186774.

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

It is not a de Polignac number, because 477681347 - 2² = 477681343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477681343) 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, 1670072 + ... + 1670357.

It is an arithmetic number, because the mean of its divisors is an integer number (70149030).

Almost surely, 2^477681347 is an apocalyptic number.

477681347 is a deficient number, since it is larger than the sum of its proper divisors (83510893).

477681347 is a wasteful number, since it uses less digits than its factorization.

477681347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340453.

The product of its digits is 790272, while the sum is 47.

The square root of 477681347 is about 21855.9224696648. The cubic root of 477681347 is about 781.7107678352.

The spelling of 477681347 in words is "four hundred seventy-seven million, six hundred eighty-one thousand, three hundred forty-seven".