81882083 has 2 divisors, whose sum is σ = 81882084. Its totient is φ = 81882082.

The previous prime is 81882049. The next prime is 81882089. The reversal of 81882083 is 38028818.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 81882083 - 2¹² = 81877987 is a prime.

It is not a weakly prime, because it can be changed into another prime (81882089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40941041 + 40941042.

It is an arithmetic number, because the mean of its divisors is an integer number (40941042).

Almost surely, 2^81882083 is an apocalyptic number.

81882083 is a deficient number, since it is larger than the sum of its proper divisors (1).

81882083 is an equidigital number, since it uses as much as digits as its factorization.

81882083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 81882083 is about 9048.8719186427. The cubic root of 81882083 is about 434.2398014311.

The spelling of 81882083 in words is "eighty-one million, eight hundred eighty-two thousand, eighty-three".