82488647 has 2 divisors, whose sum is σ = 82488648. Its totient is φ = 82488646.

The previous prime is 82488643. The next prime is 82488677. The reversal of 82488647 is 74688428.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82488647 - 2² = 82488643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82488643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41244323 + 41244324.

It is an arithmetic number, because the mean of its divisors is an integer number (41244324).

Almost surely, 2^82488647 is an apocalyptic number.

82488647 is a deficient number, since it is larger than the sum of its proper divisors (1).

82488647 is an equidigital number, since it uses as much as digits as its factorization.

82488647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688128, while the sum is 47.

The square root of 82488647 is about 9082.3260787091. The cubic root of 82488647 is about 435.3094147759.

The spelling of 82488647 in words is "eighty-two million, four hundred eighty-eight thousand, six hundred forty-seven".