83838383839 has 8 divisors (see below), whose sum is σ = 95830514208. Its totient is φ = 71850058080.

The previous prime is 83838383831. The next prime is 83838383873. The reversal of 83838383839 is 93838383838.

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 83838383839 - 2³ = 83838383831 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 (83838383831) 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 7 ways as a sum of consecutive naturals, for example, 903772 + ... + 992209.

It is an arithmetic number, because the mean of its divisors is an integer number (11978814276).

Almost surely, 2^83838383839 is an apocalyptic number.

83838383839 is a deficient number, since it is larger than the sum of its proper divisors (11992130369).

83838383839 is a wasteful number, since it uses less digits than its factorization.

83838383839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902305.

The product of its digits is 71663616, while the sum is 64.

Subtracting 83838383839 from its reverse (93838383838), we obtain a palindrome (9999999999).

The spelling of 83838383839 in words is "eighty-three billion, eight hundred thirty-eight million, three hundred eighty-three thousand, eight hundred thirty-nine".