108888789 has 4 divisors (see below), whose sum is σ = 145185056. Its totient is φ = 72592524.

The previous prime is 108888761. The next prime is 108888799. The reversal of 108888789 is 987888801.

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 not a de Polignac number, because 108888789 - 2¹¹ = 108886741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108888719) 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, 18148129 + ... + 18148134.

It is an arithmetic number, because the mean of its divisors is an integer number (36296264).

Almost surely, 2^108888789 is an apocalyptic number.

It is an amenable number.

108888789 is a deficient number, since it is larger than the sum of its proper divisors (36296267).

108888789 is an equidigital number, since it uses as much as digits as its factorization.

108888789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36296266.

The product of its (nonzero) digits is 2064384, while the sum is 57.

The square root of 108888789 is about 10434.9791087477. The cubic root of 108888789 is about 477.5231044256.

The spelling of 108888789 in words is "one hundred eight million, eight hundred eighty-eight thousand, seven hundred eighty-nine".