83727331 has 2 divisors, whose sum is σ = 83727332. Its totient is φ = 83727330.

The previous prime is 83727323. The next prime is 83727341. The reversal of 83727331 is 13372738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83727331 - 2³ = 83727323 is a prime.

It is a super-2 number, since 2×83727331² = 14020531912767122, which contains 22 as substring.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (83727341) 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 as a sum of consecutive naturals, namely, 41863665 + 41863666.

It is an arithmetic number, because the mean of its divisors is an integer number (41863666).

Almost surely, 2^83727331 is an apocalyptic number.

83727331 is a deficient number, since it is larger than the sum of its proper divisors (1).

83727331 is an equidigital number, since it uses as much as digits as its factorization.

83727331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 34.

The square root of 83727331 is about 9150.2639852629. The cubic root of 83727331 is about 437.4775276620.

The spelling of 83727331 in words is "eighty-three million, seven hundred twenty-seven thousand, three hundred thirty-one".