6477563278 has 16 divisors (see below), whose sum is σ = 10735195680. Its totient is φ = 2915731456.

The previous prime is 6477563269. The next prime is 6477563311. The reversal of 6477563278 is 8723657746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4140883 + ... + 4142446.

It is an arithmetic number, because the mean of its divisors is an integer number (670949730).

Almost surely, 2^6477563278 is an apocalyptic number.

6477563278 is a deficient number, since it is larger than the sum of its proper divisors (4257632402).

6477563278 is a wasteful number, since it uses less digits than its factorization.

6477563278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283371.

The product of its digits is 11854080, while the sum is 55.

The square root of 6477563278 is about 80483.3105556674. The cubic root of 6477563278 is about 1864.1057871817.

The spelling of 6477563278 in words is "six billion, four hundred seventy-seven million, five hundred sixty-three thousand, two hundred seventy-eight".