83027691 has 12 divisors (see below), whose sum is σ = 121962360. Its totient is φ = 54413280.

The previous prime is 83027683. The next prime is 83027699. The reversal of 83027691 is 19672038.

It is an interprime number because it is at equal distance from previous prime (83027683) and next prime (83027699).

It is not a de Polignac number, because 83027691 - 2³ = 83027683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83027699) 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 11 ways as a sum of consecutive naturals, for example, 77650 + ... + 78711.

It is an arithmetic number, because the mean of its divisors is an integer number (10163530).

Almost surely, 2^83027691 is an apocalyptic number.

83027691 is a deficient number, since it is larger than the sum of its proper divisors (38934669).

83027691 is a wasteful number, since it uses less digits than its factorization.

83027691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156426 (or 156423 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 83027691 is about 9111.9531934707. The cubic root of 83027691 is about 436.2555718316.

The spelling of 83027691 in words is "eighty-three million, twenty-seven thousand, six hundred ninety-one".