83278128219 has 32 divisors (see below), whose sum is σ = 133631382528. Its totient is φ = 45452832000.

The previous prime is 83278128203. The next prime is 83278128247. The reversal of 83278128219 is 91282187238.

It is not a de Polignac number, because 83278128219 - 2⁴ = 83278128203 is a prime.

It is a super-2 number, since 2×83278128219² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83278128299) 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 31 ways as a sum of consecutive naturals, for example, 2349747 + ... + 2384924.

It is an arithmetic number, because the mean of its divisors is an integer number (4175980704).

Almost surely, 2^83278128219 is an apocalyptic number.

83278128219 is a deficient number, since it is larger than the sum of its proper divisors (50353254309).

83278128219 is a wasteful number, since it uses less digits than its factorization.

83278128219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734739.

The product of its digits is 774144, while the sum is 51.

The spelling of 83278128219 in words is "eighty-three billion, two hundred seventy-eight million, one hundred twenty-eight thousand, two hundred nineteen".