6771998123 has 16 divisors (see below), whose sum is σ = 7711946496. Its totient is φ = 5886318240.

The previous prime is 6771998113. The next prime is 6771998141. The reversal of 6771998123 is 3218991776.

6771998123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6771998123 - 2¹² = 6771994027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6771998113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971336 + ... + 978282.

It is an arithmetic number, because the mean of its divisors is an integer number (481996656).

Almost surely, 2^6771998123 is an apocalyptic number.

6771998123 is a deficient number, since it is larger than the sum of its proper divisors (939948373).

6771998123 is a wasteful number, since it uses less digits than its factorization.

6771998123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10834.

The product of its digits is 1143072, while the sum is 53.

The square root of 6771998123 is about 82292.1510412749. The cubic root of 6771998123 is about 1891.9323781083.

The spelling of 6771998123 in words is "six billion, seven hundred seventy-one million, nine hundred ninety-eight thousand, one hundred twenty-three".