108434779 has 2 divisors, whose sum is σ = 108434780. Its totient is φ = 108434778.

The previous prime is 108434737. The next prime is 108434783. The reversal of 108434779 is 977434801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108434779 - 2²⁵ = 74880347 is a prime.

It is not a weakly prime, because it can be changed into another prime (108438779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54217389 + 54217390.

It is an arithmetic number, because the mean of its divisors is an integer number (54217390).

Almost surely, 2^108434779 is an apocalyptic number.

108434779 is a deficient number, since it is larger than the sum of its proper divisors (1).

108434779 is an equidigital number, since it uses as much as digits as its factorization.

108434779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 108434779 is about 10413.2021491950. The cubic root of 108434779 is about 476.8585050009.

The spelling of 108434779 in words is "one hundred eight million, four hundred thirty-four thousand, seven hundred seventy-nine".