82547790079 has 2 divisors, whose sum is σ = 82547790080. Its totient is φ = 82547790078.

The previous prime is 82547790037. The next prime is 82547790151. The reversal of 82547790079 is 97009774528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82547790079 - 2²¹ = 82545692927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82547790179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41273895039 + 41273895040.

It is an arithmetic number, because the mean of its divisors is an integer number (41273895040).

Almost surely, 2^82547790079 is an apocalyptic number.

82547790079 is a deficient number, since it is larger than the sum of its proper divisors (1).

82547790079 is an equidigital number, since it uses as much as digits as its factorization.

82547790079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 82547790079 in words is "eighty-two billion, five hundred forty-seven million, seven hundred ninety thousand, seventy-nine".