108889478107 has 4 divisors (see below), whose sum is σ = 108890237736. Its totient is φ = 108888718480.

The previous prime is 108889478069. The next prime is 108889478119. The reversal of 108889478107 is 701874988801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 108889478107 - 2⁷ = 108889477979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108889478147) 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, 92194 + ... + 475687.

It is an arithmetic number, because the mean of its divisors is an integer number (27222559434).

Almost surely, 2^108889478107 is an apocalyptic number.

108889478107 is a deficient number, since it is larger than the sum of its proper divisors (759629).

108889478107 is an equidigital number, since it uses as much as digits as its factorization.

108889478107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759628.

The product of its (nonzero) digits is 7225344, while the sum is 61.

The spelling of 108889478107 in words is "one hundred eight billion, eight hundred eighty-nine million, four hundred seventy-eight thousand, one hundred seven".