18879462839 has 8 divisors (see below), whose sum is σ = 18992560752. Its totient is φ = 18766410880.

The previous prime is 18879462827. The next prime is 18879462857. The reversal of 18879462839 is 93826497881.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18879462839 - 2⁸ = 18879462583 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 (18879464839) 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, 1174124 + ... + 1190094.

It is an arithmetic number, because the mean of its divisors is an integer number (2374070094).

Almost surely, 2^18879462839 is an apocalyptic number.

18879462839 is a deficient number, since it is larger than the sum of its proper divisors (113097913).

18879462839 is a wasteful number, since it uses less digits than its factorization.

18879462839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22977.

The product of its digits is 41803776, while the sum is 65.

The spelling of 18879462839 in words is "eighteen billion, eight hundred seventy-nine million, four hundred sixty-two thousand, eight hundred thirty-nine".