109606987 has 16 divisors (see below), whose sum is σ = 129631680. Its totient is φ = 90713088.

The previous prime is 109606967. The next prime is 109606997. The reversal of 109606987 is 789606901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109606987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109606967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33939 + ... + 37027.

It is an arithmetic number, because the mean of its divisors is an integer number (8101980).

Almost surely, 2^109606987 is an apocalyptic number.

109606987 is a deficient number, since it is larger than the sum of its proper divisors (20024693).

109606987 is a wasteful number, since it uses less digits than its factorization.

109606987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 109606987 is about 10469.3355567581. The cubic root of 109606987 is about 478.5706713372.

The spelling of 109606987 in words is "one hundred nine million, six hundred six thousand, nine hundred eighty-seven".