108079729 has 2 divisors, whose sum is σ = 108079730. Its totient is φ = 108079728.

The previous prime is 108079721. The next prime is 108079747. The reversal of 108079729 is 927970801.

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., 66863329 + 41216400 = 8177^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 108079729 - 2³ = 108079721 is a prime.

It is not a weakly prime, because it can be changed into another prime (108079721) 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, 54039864 + 54039865.

It is an arithmetic number, because the mean of its divisors is an integer number (54039865).

Almost surely, 2^108079729 is an apocalyptic number.

It is an amenable number.

108079729 is a deficient number, since it is larger than the sum of its proper divisors (1).

108079729 is an equidigital number, since it uses as much as digits as its factorization.

108079729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 108079729 is about 10396.1401010183. The cubic root of 108079729 is about 476.3374737083.

The spelling of 108079729 in words is "one hundred eight million, seventy-nine thousand, seven hundred twenty-nine".