108775439 has 2 divisors, whose sum is σ = 108775440. Its totient is φ = 108775438.

The previous prime is 108775421. The next prime is 108775453. The reversal of 108775439 is 934577801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108775439 is a prime.

It is a super-2 number, since 2×108775439² = 23664192259285442, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108775439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108775039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54387719 + 54387720.

It is an arithmetic number, because the mean of its divisors is an integer number (54387720).

Almost surely, 2^108775439 is an apocalyptic number.

108775439 is a deficient number, since it is larger than the sum of its proper divisors (1).

108775439 is an equidigital number, since it uses as much as digits as its factorization.

108775439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 108775439 is about 10429.5464426791. The cubic root of 108775439 is about 477.3573511009.

It can be divided in two parts, 10877 and 5439, that multiplied together give a triangular number (59160003 = T₁₀₈₇₇).

The spelling of 108775439 in words is "one hundred eight million, seven hundred seventy-five thousand, four hundred thirty-nine".