83195791 has 4 divisors (see below), whose sum is σ = 95080912. Its totient is φ = 71310672.

The previous prime is 83195779. The next prime is 83195831. The reversal of 83195791 is 19759138.

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 83195791 - 2⁵ = 83195759 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 (83195701) 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, 5942550 + ... + 5942563.

It is an arithmetic number, because the mean of its divisors is an integer number (23770228).

Almost surely, 2^83195791 is an apocalyptic number.

83195791 is a deficient number, since it is larger than the sum of its proper divisors (11885121).

83195791 is a wasteful number, since it uses less digits than its factorization.

83195791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11885120.

The product of its digits is 68040, while the sum is 43.

The square root of 83195791 is about 9121.1726767998. The cubic root of 83195791 is about 436.5497914454.

The spelling of 83195791 in words is "eighty-three million, one hundred ninety-five thousand, seven hundred ninety-one".