109789982 has 4 divisors (see below), whose sum is σ = 164684976. Its totient is φ = 54894990.

The previous prime is 109789957. The next prime is 109789987. The reversal of 109789982 is 289987901.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109789987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27447494 + ... + 27447497.

It is an arithmetic number, because the mean of its divisors is an integer number (41171244).

Almost surely, 2^109789982 is an apocalyptic number.

109789982 is a deficient number, since it is larger than the sum of its proper divisors (54894994).

109789982 is an equidigital number, since it uses as much as digits as its factorization.

109789982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54894993.

The product of its (nonzero) digits is 653184, while the sum is 53.

The square root of 109789982 is about 10478.0714828636. The cubic root of 109789982 is about 478.8368567628.

The spelling of 109789982 in words is "one hundred nine million, seven hundred eighty-nine thousand, nine hundred eighty-two".