108870919 has 2 divisors, whose sum is σ = 108870920. Its totient is φ = 108870918.

The previous prime is 108870911. The next prime is 108870947. The reversal of 108870919 is 919078801.

It is a weak prime.

It is an emirp because it is prime and its reverse (919078801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108870919 - 2³ = 108870911 is a prime.

It is a super-2 number, since 2×108870919² = 23705754007809122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108870911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54435459 + 54435460.

It is an arithmetic number, because the mean of its divisors is an integer number (54435460).

Almost surely, 2^108870919 is an apocalyptic number.

108870919 is a deficient number, since it is larger than the sum of its proper divisors (1).

108870919 is an equidigital number, since it uses as much as digits as its factorization.

108870919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 43.

The square root of 108870919 is about 10434.1228189053. The cubic root of 108870919 is about 477.4969805096.

The spelling of 108870919 in words is "one hundred eight million, eight hundred seventy thousand, nine hundred nineteen".