8373875989 has 4 divisors (see below), whose sum is σ = 8399175040. Its totient is φ = 8348576940.

The previous prime is 8373875987. The next prime is 8373875999. The reversal of 8373875989 is 9895783738.

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 not a de Polignac number, because 8373875989 - 2¹ = 8373875987 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 (8373875981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12649029 + ... + 12649690.

It is an arithmetic number, because the mean of its divisors is an integer number (2099793760).

Almost surely, 2^8373875989 is an apocalyptic number.

It is an amenable number.

8373875989 is a deficient number, since it is larger than the sum of its proper divisors (25299051).

8373875989 is a wasteful number, since it uses less digits than its factorization.

8373875989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25299050.

The product of its digits is 91445760, while the sum is 67.

The square root of 8373875989 is about 91508.8847544325. The cubic root of 8373875989 is about 2030.6831959146.

The spelling of 8373875989 in words is "eight billion, three hundred seventy-three million, eight hundred seventy-five thousand, nine hundred eighty-nine".