109889057 has 2 divisors, whose sum is σ = 109889058. Its totient is φ = 109889056.

The previous prime is 109889047. The next prime is 109889083. The reversal of 109889057 is 750988901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88811776 + 21077281 = 9424^2 + 4591^2 .

It is a cyclic number.

It is not a de Polignac number, because 109889057 - 2⁶ = 109888993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109889047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54944528 + 54944529.

It is an arithmetic number, because the mean of its divisors is an integer number (54944529).

Almost surely, 2^109889057 is an apocalyptic number.

It is an amenable number.

109889057 is a deficient number, since it is larger than the sum of its proper divisors (1).

109889057 is an equidigital number, since it uses as much as digits as its factorization.

109889057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 109889057 is about 10482.7981474414. The cubic root of 109889057 is about 478.9808483415.

The spelling of 109889057 in words is "one hundred nine million, eight hundred eighty-nine thousand, fifty-seven".