6867772823 has 4 divisors (see below), whose sum is σ = 6869320248. Its totient is φ = 6866225400.

The previous prime is 6867772819. The next prime is 6867772831. The reversal of 6867772823 is 3282777686.

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 6867772823 - 2² = 6867772819 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 (6867777823) 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 3 ways as a sum of consecutive naturals, for example, 767036 + ... + 775937.

It is an arithmetic number, because the mean of its divisors is an integer number (1717330062).

Almost surely, 2^6867772823 is an apocalyptic number.

6867772823 is a deficient number, since it is larger than the sum of its proper divisors (1547425).

6867772823 is a wasteful number, since it uses less digits than its factorization.

6867772823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547424.

The product of its digits is 9483264, while the sum is 56.

The square root of 6867772823 is about 82872.0267822623. The cubic root of 6867772823 is about 1900.8097031800.

The spelling of 6867772823 in words is "six billion, eight hundred sixty-seven million, seven hundred seventy-two thousand, eight hundred twenty-three".