6471777379 has 12 divisors (see below), whose sum is σ = 6907144104. Its totient is φ = 6042867264.

The previous prime is 6471777349. The next prime is 6471777427. The reversal of 6471777379 is 9737771746.

It is not a de Polignac number, because 6471777379 - 2⁷ = 6471777251 is a prime.

It is a super-2 number, since 2×6471777379² = 83767804886672219282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6471777349) 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 11 ways as a sum of consecutive naturals, for example, 262392 + ... + 285994.

It is an arithmetic number, because the mean of its divisors is an integer number (575595342).

Almost surely, 2^6471777379 is an apocalyptic number.

6471777379 is a deficient number, since it is larger than the sum of its proper divisors (435366725).

6471777379 is a wasteful number, since it uses less digits than its factorization.

6471777379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23874 (or 23747 counting only the distinct ones).

The product of its digits is 10890936, while the sum is 58.

The square root of 6471777379 is about 80447.3578124229. The cubic root of 6471777379 is about 1863.5506020383.

The spelling of 6471777379 in words is "six billion, four hundred seventy-one million, seven hundred seventy-seven thousand, three hundred seventy-nine".