83932691 has 2 divisors, whose sum is σ = 83932692. Its totient is φ = 83932690.

The previous prime is 83932657. The next prime is 83932703. The reversal of 83932691 is 19623938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83932691 - 2¹⁰ = 83931667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83932601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41966345 + 41966346.

It is an arithmetic number, because the mean of its divisors is an integer number (41966346).

Almost surely, 2^83932691 is an apocalyptic number.

83932691 is a deficient number, since it is larger than the sum of its proper divisors (1).

83932691 is an equidigital number, since it uses as much as digits as its factorization.

83932691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 83932691 is about 9161.4786470307. The cubic root of 83932691 is about 437.8349061219.

The spelling of 83932691 in words is "eighty-three million, nine hundred thirty-two thousand, six hundred ninety-one".