108278017 has 4 divisors (see below), whose sum is σ = 113976880. Its totient is φ = 102579156.

The previous prime is 108278003. The next prime is 108278063. The reversal of 108278017 is 710872801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108278017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108278077) 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, 2849403 + ... + 2849440.

It is an arithmetic number, because the mean of its divisors is an integer number (28494220).

Almost surely, 2^108278017 is an apocalyptic number.

It is an amenable number.

108278017 is a deficient number, since it is larger than the sum of its proper divisors (5698863).

108278017 is an equidigital number, since it uses as much as digits as its factorization.

108278017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698862.

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 108278017 is about 10405.6723473306. The cubic root of 108278017 is about 476.6285992279.

The spelling of 108278017 in words is "one hundred eight million, two hundred seventy-eight thousand, seventeen".