82688371 has 2 divisors, whose sum is σ = 82688372. Its totient is φ = 82688370.

The previous prime is 82688363. The next prime is 82688401. The reversal of 82688371 is 17388628.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82688371 - 2³ = 82688363 is a prime.

It is not a weakly prime, because it can be changed into another prime (82688311) 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, 41344185 + 41344186.

It is an arithmetic number, because the mean of its divisors is an integer number (41344186).

Almost surely, 2^82688371 is an apocalyptic number.

82688371 is a deficient number, since it is larger than the sum of its proper divisors (1).

82688371 is an equidigital number, since it uses as much as digits as its factorization.

82688371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 43.

The square root of 82688371 is about 9093.3146321900. The cubic root of 82688371 is about 435.6604597027.

The spelling of 82688371 in words is "eighty-two million, six hundred eighty-eight thousand, three hundred seventy-one".