6728825783 has 4 divisors (see below), whose sum is σ = 6729796368. Its totient is φ = 6727855200.

The previous prime is 6728825767. The next prime is 6728825797. The reversal of 6728825783 is 3875288276.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6728825783 - 2⁴ = 6728825767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728825713) 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, 474818 + ... + 488783.

It is an arithmetic number, because the mean of its divisors is an integer number (1682449092).

Almost surely, 2^6728825783 is an apocalyptic number.

6728825783 is a deficient number, since it is larger than the sum of its proper divisors (970585).

6728825783 is an equidigital number, since it uses as much as digits as its factorization.

6728825783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970584.

The product of its digits is 9031680, while the sum is 56.

The square root of 6728825783 is about 82029.4202283547. The cubic root of 6728825783 is about 1887.9033684825.

The spelling of 6728825783 in words is "six billion, seven hundred twenty-eight million, eight hundred twenty-five thousand, seven hundred eighty-three".