108420079 has 2 divisors, whose sum is σ = 108420080. Its totient is φ = 108420078.

The previous prime is 108420047. The next prime is 108420083. The reversal of 108420079 is 970024801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108420079 - 2⁵ = 108420047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108420079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108420379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54210039 + 54210040.

It is an arithmetic number, because the mean of its divisors is an integer number (54210040).

Almost surely, 2^108420079 is an apocalyptic number.

108420079 is a deficient number, since it is larger than the sum of its proper divisors (1).

108420079 is an equidigital number, since it uses as much as digits as its factorization.

108420079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 108420079 is about 10412.4962905155. The cubic root of 108420079 is about 476.8369555285.

The spelling of 108420079 in words is "one hundred eight million, four hundred twenty thousand, seventy-nine".