109119977 has 2 divisors, whose sum is σ = 109119978. Its totient is φ = 109119976.

The previous prime is 109119943. The next prime is 109119979. The reversal of 109119977 is 779911901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87067561 + 22052416 = 9331^2 + 4696^2 .

It is a cyclic number.

It is not a de Polignac number, because 109119977 - 2¹⁰ = 109118953 is a prime.

Together with 109119979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109119979) 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, 54559988 + 54559989.

It is an arithmetic number, because the mean of its divisors is an integer number (54559989).

Almost surely, 2^109119977 is an apocalyptic number.

It is an amenable number.

109119977 is a deficient number, since it is larger than the sum of its proper divisors (1).

109119977 is an equidigital number, since it uses as much as digits as its factorization.

109119977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721, while the sum is 44.

The square root of 109119977 is about 10446.0507848660. The cubic root of 109119977 is about 477.8608177140.

The spelling of 109119977 in words is "one hundred nine million, one hundred nineteen thousand, nine hundred seventy-seven".