109528087 has 2 divisors, whose sum is σ = 109528088. Its totient is φ = 109528086.

The previous prime is 109528063. The next prime is 109528129. The reversal of 109528087 is 780825901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109528087 - 2¹⁵ = 109495319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109528057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54764043 + 54764044.

It is an arithmetic number, because the mean of its divisors is an integer number (54764044).

Almost surely, 2^109528087 is an apocalyptic number.

109528087 is a deficient number, since it is larger than the sum of its proper divisors (1).

109528087 is an equidigital number, since it uses as much as digits as its factorization.

109528087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 109528087 is about 10465.5667309516. The cubic root of 109528087 is about 478.4558115979.

The spelling of 109528087 in words is "one hundred nine million, five hundred twenty-eight thousand, eighty-seven".