107999986 has 16 divisors (see below), whose sum is σ = 167028120. Its totient is φ = 52341120.

The previous prime is 107999917. The next prime is 107999999. The reversal of 107999986 is 689999701.

It can be written as a sum of positive squares in 4 ways, for example, as 76020961 + 31979025 = 8719^2 + 5655^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 107999986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8680 + ... + 17068.

Almost surely, 2^107999986 is an apocalyptic number.

107999986 is a deficient number, since it is larger than the sum of its proper divisors (59028134).

107999986 is a wasteful number, since it uses less digits than its factorization.

107999986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8589.

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

The square root of 107999986 is about 10392.3041718379. The cubic root of 107999986 is about 476.2202950130.

The spelling of 107999986 in words is "one hundred seven million, nine hundred ninety-nine thousand, nine hundred eighty-six".