83027791 has 16 divisors (see below), whose sum is σ = 104940288. Its totient is φ = 63806400.

The previous prime is 83027773. The next prime is 83027821. The reversal of 83027791 is 19772038.

It is not a de Polignac number, because 83027791 - 2⁵ = 83027759 is a prime.

It is a super-2 number, since 2×83027791² = 13787228156679362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83027791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83027291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1765 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (6558768).

Almost surely, 2^83027791 is an apocalyptic number.

83027791 is a deficient number, since it is larger than the sum of its proper divisors (21912497).

83027791 is a wasteful number, since it uses less digits than its factorization.

83027791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14862.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 83027791 is about 9111.9586807667. The cubic root of 83027791 is about 436.2557469762.

The spelling of 83027791 in words is "eighty-three million, twenty-seven thousand, seven hundred ninety-one".