471377680821 has 48 divisors (see below), whose sum is σ = 722804898816. Its totient is φ = 306821508336.

The previous prime is 471377680801. The next prime is 471377680831. The reversal of 471377680821 is 128086773174.

471377680821 is a `hidden beast` number, since 471 + 3 + 7 + 76 + 80 + 8 + 21 = 666.

It is not a de Polignac number, because 471377680821 - 2⁵ = 471377680789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471377680801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31579866 + ... + 31594788.

It is an arithmetic number, because the mean of its divisors is an integer number (15058435392).

Almost surely, 2^471377680821 is an apocalyptic number.

It is an amenable number.

471377680821 is a deficient number, since it is larger than the sum of its proper divisors (251427217995).

471377680821 is a wasteful number, since it uses less digits than its factorization.

471377680821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18004 (or 17992 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The spelling of 471377680821 in words is "four hundred seventy-one billion, three hundred seventy-seven million, six hundred eighty thousand, eight hundred twenty-one".