105656899 has 2 divisors, whose sum is σ = 105656900. Its totient is φ = 105656898.

The previous prime is 105656851. The next prime is 105656927. The reversal of 105656899 is 998656501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105656899 is a prime.

It is a super-2 number, since 2×105656899² = 22326760612592402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105656839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52828449 + 52828450.

It is an arithmetic number, because the mean of its divisors is an integer number (52828450).

Almost surely, 2^105656899 is an apocalyptic number.

105656899 is a deficient number, since it is larger than the sum of its proper divisors (1).

105656899 is an equidigital number, since it uses as much as digits as its factorization.

105656899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 105656899 is about 10278.9541783199. The cubic root of 105656899 is about 472.7511783780.

The spelling of 105656899 in words is "one hundred five million, six hundred fifty-six thousand, eight hundred ninety-nine".