83789133 has 4 divisors (see below), whose sum is σ = 111718848. Its totient is φ = 55859420.

The previous prime is 83789129. The next prime is 83789171. The reversal of 83789133 is 33198738.

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.

It is a cyclic number.

It is not a de Polignac number, because 83789133 - 2² = 83789129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83789113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13964853 + ... + 13964858.

It is an arithmetic number, because the mean of its divisors is an integer number (27929712).

Almost surely, 2^83789133 is an apocalyptic number.

It is an amenable number.

83789133 is a deficient number, since it is larger than the sum of its proper divisors (27929715).

83789133 is a wasteful number, since it uses less digits than its factorization.

83789133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27929714.

The product of its digits is 108864, while the sum is 42.

The square root of 83789133 is about 9153.6404233507. The cubic root of 83789133 is about 437.5851402192.

The spelling of 83789133 in words is "eighty-three million, seven hundred eighty-nine thousand, one hundred thirty-three".