83750842133 has 4 divisors (see below), whose sum is σ = 95715248160. Its totient is φ = 71786436108.

The previous prime is 83750842111. The next prime is 83750842181. The reversal of 83750842133 is 33124805738.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33124805738 = 2 ⋅16562402869.

It is a cyclic number.

It is not a de Polignac number, because 83750842133 - 2¹⁸ = 83750579989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83750842633) 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 3 ways as a sum of consecutive naturals, for example, 5982203003 + ... + 5982203016.

It is an arithmetic number, because the mean of its divisors is an integer number (23928812040).

Almost surely, 2^83750842133 is an apocalyptic number.

It is an amenable number.

83750842133 is a deficient number, since it is larger than the sum of its proper divisors (11964406027).

83750842133 is a wasteful number, since it uses less digits than its factorization.

83750842133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964406026.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 83750842133 in words is "eighty-three billion, seven hundred fifty million, eight hundred forty-two thousand, one hundred thirty-three".