6477028564 has 12 divisors (see below), whose sum is σ = 11335660084. Its totient is φ = 3238268544.

The previous prime is 6477028501. The next prime is 6477028567. The reversal of 6477028564 is 4658207746.

It can be written as a sum of positive squares in 2 ways, for example, as 3353336464 + 3123692100 = 57908^2 + 55890^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477028567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6124 + ... + 113980.

Almost surely, 2^6477028564 is an apocalyptic number.

It is an amenable number.

6477028564 is a deficient number, since it is larger than the sum of its proper divisors (4858631520).

6477028564 is a wasteful number, since it uses less digits than its factorization.

6477028564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122874 (or 122872 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The square root of 6477028564 is about 80479.9885934386. The cubic root of 6477028564 is about 1864.0544926415.

The spelling of 6477028564 in words is "six billion, four hundred seventy-seven million, twenty-eight thousand, five hundred sixty-four".