109888829 has 2 divisors, whose sum is σ = 109888830. Its totient is φ = 109888828.

The previous prime is 109888819. The next prime is 109888843. The reversal of 109888829 is 928888901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75724804 + 34164025 = 8702^2 + 5845^2 .

It is a cyclic number.

It is not a de Polignac number, because 109888829 - 2²⁰ = 108840253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109888819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54944414 + 54944415.

It is an arithmetic number, because the mean of its divisors is an integer number (54944415).

Almost surely, 2^109888829 is an apocalyptic number.

It is an amenable number.

109888829 is a deficient number, since it is larger than the sum of its proper divisors (1).

109888829 is an equidigital number, since it uses as much as digits as its factorization.

109888829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 53.

The square root of 109888829 is about 10482.7872724767. The cubic root of 109888829 is about 478.9805170749.

The spelling of 109888829 in words is "one hundred nine million, eight hundred eighty-eight thousand, eight hundred twenty-nine".