108831859 has 2 divisors, whose sum is σ = 108831860. Its totient is φ = 108831858.

The previous prime is 108831851. The next prime is 108831871. The reversal of 108831859 is 958138801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108831859 - 2³ = 108831851 is a prime.

It is not a weakly prime, because it can be changed into another prime (108831851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54415929 + 54415930.

It is an arithmetic number, because the mean of its divisors is an integer number (54415930).

Almost surely, 2^108831859 is an apocalyptic number.

108831859 is a deficient number, since it is larger than the sum of its proper divisors (1).

108831859 is an equidigital number, since it uses as much as digits as its factorization.

108831859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 108831859 is about 10432.2509076421. The cubic root of 108831859 is about 477.4398692590.

The spelling of 108831859 in words is "one hundred eight million, eight hundred thirty-one thousand, eight hundred fifty-nine".