83748219999 has 16 divisors (see below), whose sum is σ = 111960021600. Its totient is φ = 55684371456.

The previous prime is 83748219983. The next prime is 83748220009. The reversal of 83748219999 is 99991284738.

It is not a de Polignac number, because 83748219999 - 2⁴ = 83748219983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83748211999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4575037 + ... + 4593305.

It is an arithmetic number, because the mean of its divisors is an integer number (6997501350).

Almost surely, 2^83748219999 is an apocalyptic number.

83748219999 is a deficient number, since it is larger than the sum of its proper divisors (28211801601).

83748219999 is a wasteful number, since it uses less digits than its factorization.

83748219999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22234.

The product of its digits is 70543872, while the sum is 69.

The spelling of 83748219999 in words is "eighty-three billion, seven hundred forty-eight million, two hundred nineteen thousand, nine hundred ninety-nine".