106889999 has 4 divisors (see below), whose sum is σ = 113177664. Its totient is φ = 100602336.

The previous prime is 106889989. The next prime is 106890011. The reversal of 106889999 is 999988601.

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 106889999 - 2⁴ = 106889983 is a prime.

It is a super-2 number, since 2×106889999² = 22850943772440002, 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 (106889989) 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, 3143807 + ... + 3143840.

It is an arithmetic number, because the mean of its divisors is an integer number (28294416).

Almost surely, 2^106889999 is an apocalyptic number.

106889999 is a deficient number, since it is larger than the sum of its proper divisors (6287665).

106889999 is an equidigital number, since it uses as much as digits as its factorization.

106889999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287664.

The product of its (nonzero) digits is 2519424, while the sum is 59.

The square root of 106889999 is about 10338.7619665026. The cubic root of 106889999 is about 474.5831970670.

The spelling of 106889999 in words is "one hundred six million, eight hundred eighty-nine thousand, nine hundred ninety-nine".