105906887 has 2 divisors, whose sum is σ = 105906888. Its totient is φ = 105906886.

The previous prime is 105906863. The next prime is 105906917. The reversal of 105906887 is 788609501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105906887 - 2¹⁴ = 105890503 is a prime.

It is a super-2 number, since 2×105906887² = 22432537428061538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105906287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52953443 + 52953444.

It is an arithmetic number, because the mean of its divisors is an integer number (52953444).

Almost surely, 2^105906887 is an apocalyptic number.

105906887 is a deficient number, since it is larger than the sum of its proper divisors (1).

105906887 is an equidigital number, since it uses as much as digits as its factorization.

105906887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 105906887 is about 10291.1071804738. The cubic root of 105906887 is about 473.1237334353.

The spelling of 105906887 in words is "one hundred five million, nine hundred six thousand, eight hundred eighty-seven".