107686987 has 4 divisors (see below), whose sum is σ = 107733240. Its totient is φ = 107640736.

The previous prime is 107686981. The next prime is 107687029. The reversal of 107686987 is 789686701.

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 107686987 - 2³ = 107686979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107686981) 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, 19438 + ... + 24355.

It is an arithmetic number, because the mean of its divisors is an integer number (26933310).

Almost surely, 2^107686987 is an apocalyptic number.

107686987 is a deficient number, since it is larger than the sum of its proper divisors (46253).

107686987 is an equidigital number, since it uses as much as digits as its factorization.

107686987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46252.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 107686987 is about 10377.2340727190. The cubic root of 107686987 is about 475.7597989537.

The spelling of 107686987 in words is "one hundred seven million, six hundred eighty-six thousand, nine hundred eighty-seven".