105827810863 has 2 divisors, whose sum is σ = 105827810864. Its totient is φ = 105827810862.

The previous prime is 105827810861. The next prime is 105827810929. The reversal of 105827810863 is 368018728501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105827810863 - 2¹ = 105827810861 is a prime.

It is a super-2 number, since 2×105827810863² (a number of 23 digits) contains 22 as substring.

Together with 105827810861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105827810861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52913905431 + 52913905432.

It is an arithmetic number, because the mean of its divisors is an integer number (52913905432).

Almost surely, 2^105827810863 is an apocalyptic number.

105827810863 is a deficient number, since it is larger than the sum of its proper divisors (1).

105827810863 is an equidigital number, since it uses as much as digits as its factorization.

105827810863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 105827810863 in words is "one hundred five billion, eight hundred twenty-seven million, eight hundred ten thousand, eight hundred sixty-three".