107999689 has 4 divisors (see below), whose sum is σ = 123428224. Its totient is φ = 92571156.

The previous prime is 107999687. The next prime is 107999693. The reversal of 107999689 is 986999701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107999689 - 2¹ = 107999687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107999687) 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, 7714257 + ... + 7714270.

It is an arithmetic number, because the mean of its divisors is an integer number (30857056).

Almost surely, 2^107999689 is an apocalyptic number.

It is an amenable number.

107999689 is a deficient number, since it is larger than the sum of its proper divisors (15428535).

107999689 is an equidigital number, since it uses as much as digits as its factorization.

107999689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15428534.

The product of its (nonzero) digits is 2204496, while the sum is 58.

The square root of 107999689 is about 10392.2898824080. The cubic root of 107999689 is about 476.2198584773.

The spelling of 107999689 in words is "one hundred seven million, nine hundred ninety-nine thousand, six hundred eighty-nine".