108687113 has 2 divisors, whose sum is σ = 108687114. Its totient is φ = 108687112.

The previous prime is 108687109. The next prime is 108687143. The reversal of 108687113 is 311786801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96098809 + 12588304 = 9803^2 + 3548^2 .

It is a cyclic number.

It is not a de Polignac number, because 108687113 - 2² = 108687109 is a prime.

It is not a weakly prime, because it can be changed into another prime (108687143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54343556 + 54343557.

It is an arithmetic number, because the mean of its divisors is an integer number (54343557).

Almost surely, 2^108687113 is an apocalyptic number.

It is an amenable number.

108687113 is a deficient number, since it is larger than the sum of its proper divisors (1).

108687113 is an equidigital number, since it uses as much as digits as its factorization.

108687113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 108687113 is about 10425.3111704160. The cubic root of 108687113 is about 477.2281108879.

The spelling of 108687113 in words is "one hundred eight million, six hundred eighty-seven thousand, one hundred thirteen".