85807868100863 has 2 divisors, whose sum is σ = 85807868100864. Its totient is φ = 85807868100862.

The previous prime is 85807868100793. The next prime is 85807868100923. The reversal of 85807868100863 is 36800186870858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85807868100863 - 2²⁶ = 85807800991999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85807868100793 and 85807868100802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85807868105863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42903934050431 + 42903934050432.

It is an arithmetic number, because the mean of its divisors is an integer number (42903934050432).

Almost surely, 2^{85807868100863} is an apocalyptic number.

85807868100863 is a deficient number, since it is larger than the sum of its proper divisors (1).

85807868100863 is an equidigital number, since it uses as much as digits as its factorization.

85807868100863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123863040, while the sum is 68.

The spelling of 85807868100863 in words is "eighty-five trillion, eight hundred seven billion, eight hundred sixty-eight million, one hundred thousand, eight hundred sixty-three".