82488247 has 2 divisors, whose sum is σ = 82488248. Its totient is φ = 82488246.

The previous prime is 82488239. The next prime is 82488251. The reversal of 82488247 is 74288428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82488247 - 2³ = 82488239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82488227) 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, 41244123 + 41244124.

It is an arithmetic number, because the mean of its divisors is an integer number (41244124).

Almost surely, 2^82488247 is an apocalyptic number.

82488247 is a deficient number, since it is larger than the sum of its proper divisors (1).

82488247 is an equidigital number, since it uses as much as digits as its factorization.

82488247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229376, while the sum is 43.

The square root of 82488247 is about 9082.3040578919. The cubic root of 82488247 is about 435.3087111476.

It can be divided in two parts, 82488 and 247, that multiplied together give a triangular number (20374536 = T₆₃₈₃).

The spelling of 82488247 in words is "eighty-two million, four hundred eighty-eight thousand, two hundred forty-seven".