6728598895 has 16 divisors (see below), whose sum is σ = 8551795968. Its totient is φ = 5064747520.

The previous prime is 6728598889. The next prime is 6728598907. The reversal of 6728598895 is 5988958276.

It is not a de Polignac number, because 6728598895 - 2¹⁹ = 6728074607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6728598895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341205 + ... + 360385.

It is an arithmetic number, because the mean of its divisors is an integer number (534487248).

Almost surely, 2^6728598895 is an apocalyptic number.

6728598895 is a deficient number, since it is larger than the sum of its proper divisors (1823197073).

6728598895 is a wasteful number, since it uses less digits than its factorization.

6728598895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23330.

The product of its digits is 87091200, while the sum is 67.

The square root of 6728598895 is about 82028.0372494673. The cubic root of 6728598895 is about 1887.8821489588.

The spelling of 6728598895 in words is "six billion, seven hundred twenty-eight million, five hundred ninety-eight thousand, eight hundred ninety-five".