83271791 has 4 divisors (see below), whose sum is σ = 83306184. Its totient is φ = 83237400.

The previous prime is 83271743. The next prime is 83271823. The reversal of 83271791 is 19717238.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83271791 - 2¹⁰ = 83270767 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 (83271191) 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, 13265 + ... + 18506.

It is an arithmetic number, because the mean of its divisors is an integer number (20826546).

Almost surely, 2^83271791 is an apocalyptic number.

83271791 is a deficient number, since it is larger than the sum of its proper divisors (34393).

83271791 is a wasteful number, since it uses less digits than its factorization.

83271791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34392.

The product of its digits is 21168, while the sum is 38.

The square root of 83271791 is about 9125.3378567591. The cubic root of 83271791 is about 436.6826815278.

The spelling of 83271791 in words is "eighty-three million, two hundred seventy-one thousand, seven hundred ninety-one".