108887197 has 4 divisors (see below), whose sum is σ = 108934560. Its totient is φ = 108839836.

The previous prime is 108887167. The next prime is 108887209. The reversal of 108887197 is 791788801.

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-108887197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108887197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108887167) 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, 20047 + ... + 24892.

It is an arithmetic number, because the mean of its divisors is an integer number (27233640).

Almost surely, 2^108887197 is an apocalyptic number.

It is an amenable number.

108887197 is a deficient number, since it is larger than the sum of its proper divisors (47363).

108887197 is an equidigital number, since it uses as much as digits as its factorization.

108887197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47362.

The product of its (nonzero) digits is 225792, while the sum is 49.

The square root of 108887197 is about 10434.9028265720. The cubic root of 108887197 is about 477.5207772179.

The spelling of 108887197 in words is "one hundred eight million, eight hundred eighty-seven thousand, one hundred ninety-seven".