6477886407 has 16 divisors (see below), whose sum is σ = 8915225600. Its totient is φ = 4180743072.

The previous prime is 6477886367. The next prime is 6477886417. The reversal of 6477886407 is 7046887746.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6477886407 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477886417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124543 + ... + 168720.

It is an arithmetic number, because the mean of its divisors is an integer number (557201600).

Almost surely, 2^6477886407 is an apocalyptic number.

6477886407 is a deficient number, since it is larger than the sum of its proper divisors (2437339193).

6477886407 is a wasteful number, since it uses less digits than its factorization.

6477886407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293502.

The product of its (nonzero) digits is 12644352, while the sum is 57.

The square root of 6477886407 is about 80485.3179592402. The cubic root of 6477886407 is about 1864.1367832316.

The spelling of 6477886407 in words is "six billion, four hundred seventy-seven million, eight hundred eighty-six thousand, four hundred seven".