867823505713 has 2 divisors, whose sum is σ = 867823505714. Its totient is φ = 867823505712.

The previous prime is 867823505609. The next prime is 867823505741. The reversal of 867823505713 is 317505328768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477856977984 + 389966527729 = 691272^2 + 624473^2 .

It is a cyclic number.

It is not a de Polignac number, because 867823505713 - 2¹⁷ = 867823374641 is a prime.

It is not a weakly prime, because it can be changed into another prime (867823505413) 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, 433911752856 + 433911752857.

It is an arithmetic number, because the mean of its divisors is an integer number (433911752857).

Almost surely, 2^867823505713 is an apocalyptic number.

It is an amenable number.

867823505713 is a deficient number, since it is larger than the sum of its proper divisors (1).

867823505713 is an equidigital number, since it uses as much as digits as its factorization.

867823505713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 867823505713 in words is "eight hundred sixty-seven billion, eight hundred twenty-three million, five hundred five thousand, seven hundred thirteen".