83998724919389 has 16 divisors (see below), whose sum is σ = 99309476065920. Its totient is φ = 69515739034560.

The previous prime is 83998724919383. The next prime is 83998724919407. The reversal of 83998724919389 is 98391942789938.

It is a de Polignac number, because none of the positive numbers 2^k-83998724919389 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 (83998724919383) 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, 32411867 + ... + 34907399.

It is an arithmetic number, because the mean of its divisors is an integer number (6206842254120).

Almost surely, 2^{83998724919389} is an apocalyptic number.

It is an amenable number.

83998724919389 is a deficient number, since it is larger than the sum of its proper divisors (15310751146531).

83998724919389 is a wasteful number, since it uses less digits than its factorization.

83998724919389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661380.

The product of its digits is 15237476352, while the sum is 89.

The spelling of 83998724919389 in words is "eighty-three trillion, nine hundred ninety-eight billion, seven hundred twenty-four million, nine hundred nineteen thousand, three hundred eighty-nine".