2806931872067 has 2 divisors, whose sum is σ = 2806931872068. Its totient is φ = 2806931872066.

The previous prime is 2806931871967. The next prime is 2806931872093. The reversal of 2806931872067 is 7602781396082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2806931872067 - 2¹⁶ = 2806931806531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2806931871997 and 2806931872015.

It is not a weakly prime, because it can be changed into another prime (2806931871067) 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 as a sum of consecutive naturals, namely, 1403465936033 + 1403465936034.

It is an arithmetic number, because the mean of its divisors is an integer number (1403465936034).

Almost surely, 2^{2806931872067} is an apocalyptic number.

2806931872067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2806931872067 is an equidigital number, since it uses as much as digits as its factorization.

2806931872067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 2806931872067 in words is "two trillion, eight hundred six billion, nine hundred thirty-one million, eight hundred seventy-two thousand, sixty-seven".