108426789 has 16 divisors (see below), whose sum is σ = 162668800. Its totient is φ = 71368128.

The previous prime is 108426767. The next prime is 108426793. The reversal of 108426789 is 987624801.

It is not a de Polignac number, because 108426789 - 2⁹ = 108426277 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 (108426089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23284 + ... + 27549.

It is an arithmetic number, because the mean of its divisors is an integer number (10166800).

Almost surely, 2^108426789 is an apocalyptic number.

It is an amenable number.

108426789 is a deficient number, since it is larger than the sum of its proper divisors (54242011).

108426789 is an equidigital number, since it uses as much as digits as its factorization.

108426789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50921 (or 50915 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 108426789 is about 10412.8184945288. The cubic root of 108426789 is about 476.8467922980.

The spelling of 108426789 in words is "one hundred eight million, four hundred twenty-six thousand, seven hundred eighty-nine".