106785199 has 4 divisors (see below), whose sum is σ = 107182440. Its totient is φ = 106387960.

The previous prime is 106785167. The next prime is 106785209. The reversal of 106785199 is 991587601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106785199 - 2⁵ = 106785167 is a prime.

It is a super-2 number, since 2×106785199² = 22806157450939202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106785139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198217 + ... + 198754.

It is an arithmetic number, because the mean of its divisors is an integer number (26795610).

Almost surely, 2^106785199 is an apocalyptic number.

106785199 is a deficient number, since it is larger than the sum of its proper divisors (397241).

106785199 is an equidigital number, since it uses as much as digits as its factorization.

106785199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397240.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 106785199 is about 10333.6924184920. The cubic root of 106785199 is about 474.4280450946.

The spelling of 106785199 in words is "one hundred six million, seven hundred eighty-five thousand, one hundred ninety-nine".