109023977 has 2 divisors, whose sum is σ = 109023978. Its totient is φ = 109023976.

The previous prime is 109023953. The next prime is 109023983. The reversal of 109023977 is 779320901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104939536 + 4084441 = 10244^2 + 2021^2 .

It is an emirp because it is prime and its reverse (779320901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109023977 - 2¹² = 109019881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109023977.

It is not a weakly prime, because it can be changed into another prime (109023077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54511988 + 54511989.

It is an arithmetic number, because the mean of its divisors is an integer number (54511989).

Almost surely, 2^109023977 is an apocalyptic number.

It is an amenable number.

109023977 is a deficient number, since it is larger than the sum of its proper divisors (1).

109023977 is an equidigital number, since it uses as much as digits as its factorization.

109023977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 109023977 is about 10441.4547358115. The cubic root of 109023977 is about 477.7206414318.

It can be divided in two parts, 1090239 and 77, that multiplied together give a triangular number (83948403 = T₁₂₉₅₇).

The spelling of 109023977 in words is "one hundred nine million, twenty-three thousand, nine hundred seventy-seven".