108899728087 has 2 divisors, whose sum is σ = 108899728088. Its totient is φ = 108899728086.

The previous prime is 108899728079. The next prime is 108899728121. The reversal of 108899728087 is 780827998801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108899728087 - 2³ = 108899728079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108899728687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54449864043 + 54449864044.

It is an arithmetic number, because the mean of its divisors is an integer number (54449864044).

Almost surely, 2^108899728087 is an apocalyptic number.

108899728087 is a deficient number, since it is larger than the sum of its proper divisors (1).

108899728087 is an equidigital number, since it uses as much as digits as its factorization.

108899728087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32514048, while the sum is 67.

The spelling of 108899728087 in words is "one hundred eight billion, eight hundred ninety-nine million, seven hundred twenty-eight thousand, eighty-seven".