106985887 has 4 divisors (see below), whose sum is σ = 108739816. Its totient is φ = 105231960.

The previous prime is 106985869. The next prime is 106985891. The reversal of 106985887 is 788589601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106985887 is a prime.

It is a super-2 number, since 2×106985887² = 22891960034353538, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106988887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876873 + ... + 876994.

It is an arithmetic number, because the mean of its divisors is an integer number (27184954).

Almost surely, 2^106985887 is an apocalyptic number.

106985887 is a deficient number, since it is larger than the sum of its proper divisors (1753929).

106985887 is an equidigital number, since it uses as much as digits as its factorization.

106985887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753928.

The product of its (nonzero) digits is 967680, while the sum is 52.

The square root of 106985887 is about 10343.3982326893. The cubic root of 106985887 is about 474.7250663818.

The spelling of 106985887 in words is "one hundred six million, nine hundred eighty-five thousand, eight hundred eighty-seven".