6471768855 has 48 divisors (see below), whose sum is σ = 10583322624. Its totient is φ = 3376992960.

The previous prime is 6471768841. The next prime is 6471768871. The reversal of 6471768855 is 5588671746.

It is a happy number.

It is not a de Polignac number, because 6471768855 - 2¹² = 6471764759 is a prime.

It is a super-2 number, since 2×6471768855² = 83767584225096022050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6471768795 and 6471768804.

It is a congruent number.

It is an unprimeable number.

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, 15015490 + ... + 15015920.

It is an arithmetic number, because the mean of its divisors is an integer number (220485888).

Almost surely, 2^6471768855 is an apocalyptic number.

6471768855 is a deficient number, since it is larger than the sum of its proper divisors (4111553769).

6471768855 is a wasteful number, since it uses less digits than its factorization.

6471768855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 729 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 57.

The square root of 6471768855 is about 80447.3048336611. The cubic root of 6471768855 is about 1863.5497838750.

The spelling of 6471768855 in words is "six billion, four hundred seventy-one million, seven hundred sixty-eight thousand, eight hundred fifty-five".