82790371 has 2 divisors, whose sum is σ = 82790372. Its totient is φ = 82790370.

The previous prime is 82790369. The next prime is 82790387. The reversal of 82790371 is 17309728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82790371 - 2¹ = 82790369 is a prime.

Together with 82790369, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 82790371.

It is not a weakly prime, because it can be changed into another prime (82790321) 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, 41395185 + 41395186.

It is an arithmetic number, because the mean of its divisors is an integer number (41395186).

Almost surely, 2^82790371 is an apocalyptic number.

82790371 is a deficient number, since it is larger than the sum of its proper divisors (1).

82790371 is an equidigital number, since it uses as much as digits as its factorization.

82790371 is an odious number, because the sum of its binary digits is odd.

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

The square root of 82790371 is about 9098.9214195969. The cubic root of 82790371 is about 435.8395219941.

The spelling of 82790371 in words is "eighty-two million, seven hundred ninety thousand, three hundred seventy-one".