108879812789 has 8 divisors (see below), whose sum is σ = 119052296832. Its totient is φ = 98753048640.

The previous prime is 108879812777. The next prime is 108879812801. The reversal of 108879812789 is 987218978801.

It is an interprime number because it is at equal distance from previous prime (108879812777) and next prime (108879812801).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108879812789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108879812389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11424989 + ... + 11434514.

It is an arithmetic number, because the mean of its divisors is an integer number (14881537104).

Almost surely, 2^108879812789 is an apocalyptic number.

It is an amenable number.

108879812789 is a deficient number, since it is larger than the sum of its proper divisors (10172484043).

108879812789 is a wasteful number, since it uses less digits than its factorization.

108879812789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22859947.

The product of its (nonzero) digits is 32514048, while the sum is 68.

The spelling of 108879812789 in words is "one hundred eight billion, eight hundred seventy-nine million, eight hundred twelve thousand, seven hundred eighty-nine".