6875555789 has 2 divisors, whose sum is σ = 6875555790. Its totient is φ = 6875555788.

The previous prime is 6875555773. The next prime is 6875555833. The reversal of 6875555789 is 9875555786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6395200900 + 480354889 = 79970^2 + 21917^2 .

It is a cyclic number.

It is not a de Polignac number, because 6875555789 - 2⁴ = 6875555773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6875555749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437777894 + 3437777895.

It is an arithmetic number, because the mean of its divisors is an integer number (3437777895).

Almost surely, 2^6875555789 is an apocalyptic number.

It is an amenable number.

6875555789 is a deficient number, since it is larger than the sum of its proper divisors (1).

6875555789 is an equidigital number, since it uses as much as digits as its factorization.

6875555789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840000, while the sum is 65.

The square root of 6875555789 is about 82918.9712249254. The cubic root of 6875555789 is about 1901.5274687368.

The spelling of 6875555789 in words is "six billion, eight hundred seventy-five million, five hundred fifty-five thousand, seven hundred eighty-nine".