477931381371 has 32 divisors (see below), whose sum is σ = 746448030720. Its totient is φ = 301625862912.

The previous prime is 477931381327. The next prime is 477931381379. The reversal of 477931381371 is 173183139774.

It is a happy number.

477931381371 is a `hidden beast` number, since 477 + 9 + 3 + 1 + 38 + 137 + 1 = 666.

It is not a de Polignac number, because 477931381371 - 2⁹ = 477931380859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477931381379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3906855 + ... + 4027328.

It is an arithmetic number, because the mean of its divisors is an integer number (23326500960).

Almost surely, 2^477931381371 is an apocalyptic number.

477931381371 is a deficient number, since it is larger than the sum of its proper divisors (268516649349).

477931381371 is a wasteful number, since it uses less digits than its factorization.

477931381371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934312 (or 7934306 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

It can be divided in two parts, 4779313 and 81371, that added together give a palindrome (4860684).

The spelling of 477931381371 in words is "four hundred seventy-seven billion, nine hundred thirty-one million, three hundred eighty-one thousand, three hundred seventy-one".