82497587 has 2 divisors, whose sum is σ = 82497588. Its totient is φ = 82497586.

The previous prime is 82497581. The next prime is 82497589. The reversal of 82497587 is 78579428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82497587 - 2⁶ = 82497523 is a prime.

Together with 82497589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82497581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41248793 + 41248794.

It is an arithmetic number, because the mean of its divisors is an integer number (41248794).

Almost surely, 2^82497587 is an apocalyptic number.

82497587 is a deficient number, since it is larger than the sum of its proper divisors (1).

82497587 is an equidigital number, since it uses as much as digits as its factorization.

82497587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 50.

The square root of 82497587 is about 9082.8182300429. The cubic root of 82497587 is about 435.3251402757.

The spelling of 82497587 in words is "eighty-two million, four hundred ninety-seven thousand, five hundred eighty-seven".