108278959 has 4 divisors (see below), whose sum is σ = 108927504. Its totient is φ = 107630416.

The previous prime is 108278957. The next prime is 108278977. The reversal of 108278959 is 959872801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108278959 - 2¹ = 108278957 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108278957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324022 + ... + 324355.

It is an arithmetic number, because the mean of its divisors is an integer number (27231876).

Almost surely, 2^108278959 is an apocalyptic number.

108278959 is a deficient number, since it is larger than the sum of its proper divisors (648545).

108278959 is an equidigital number, since it uses as much as digits as its factorization.

108278959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648544.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 108278959 is about 10405.7176110060. The cubic root of 108278959 is about 476.6299814193.

The spelling of 108278959 in words is "one hundred eight million, two hundred seventy-eight thousand, nine hundred fifty-nine".