6477064906 has 32 divisors (see below), whose sum is σ = 11102495040. Its totient is φ = 2807452416.

The previous prime is 6477064879. The next prime is 6477064921. The reversal of 6477064906 is 6094607746.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6477064906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190725 + ... + 222103.

It is an arithmetic number, because the mean of its divisors is an integer number (346952970).

Almost surely, 2^6477064906 is an apocalyptic number.

6477064906 is a deficient number, since it is larger than the sum of its proper divisors (4625430134).

6477064906 is a wasteful number, since it uses less digits than its factorization.

6477064906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31878.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The square root of 6477064906 is about 80480.2143759570. The cubic root of 6477064906 is about 1864.0579789800.

The spelling of 6477064906 in words is "six billion, four hundred seventy-seven million, sixty-four thousand, nine hundred six".