83675791 has 4 divisors (see below), whose sum is σ = 88079800. Its totient is φ = 79271784.

The previous prime is 83675783. The next prime is 83675803. The reversal of 83675791 is 19757638.

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 83675791 - 2³ = 83675783 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 (83675731) 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, 2201976 + ... + 2202013.

It is an arithmetic number, because the mean of its divisors is an integer number (22019950).

Almost surely, 2^83675791 is an apocalyptic number.

83675791 is a deficient number, since it is larger than the sum of its proper divisors (4404009).

83675791 is a wasteful number, since it uses less digits than its factorization.

83675791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404008.

The product of its digits is 317520, while the sum is 46.

The square root of 83675791 is about 9147.4472395308. The cubic root of 83675791 is about 437.3877432805.

The spelling of 83675791 in words is "eighty-three million, six hundred seventy-five thousand, seven hundred ninety-one".