6477256701 has 6 divisors (see below), whose sum is σ = 9356037470. Its totient is φ = 4318171128.

The previous prime is 6477256679. The next prime is 6477256703. The reversal of 6477256701 is 1076527746.

It can be written as a sum of positive squares in only one way, i.e., 4989303225 + 1487953476 = 70635^2 + 38574^2 .

It is not a de Polignac number, because 6477256701 - 2³⁰ = 5403514877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477256703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359847586 + ... + 359847603.

Almost surely, 2^6477256701 is an apocalyptic number.

It is an amenable number.

6477256701 is a deficient number, since it is larger than the sum of its proper divisors (2878780769).

6477256701 is a wasteful number, since it uses less digits than its factorization.

6477256701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719695195 (or 719695192 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 6477256701 is about 80481.4059332962. The cubic root of 6477256701 is about 1864.0763779244.

The spelling of 6477256701 in words is "six billion, four hundred seventy-seven million, two hundred fifty-six thousand, seven hundred one".