82981397599 has 2 divisors, whose sum is σ = 82981397600. Its totient is φ = 82981397598.

The previous prime is 82981397581. The next prime is 82981397617. The reversal of 82981397599 is 99579318928.

It is a balanced prime because it is at equal distance from previous prime (82981397581) and next prime (82981397617).

It is a cyclic number.

It is not a de Polignac number, because 82981397599 - 2⁹ = 82981397087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82981397579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41490698799 + 41490698800.

It is an arithmetic number, because the mean of its divisors is an integer number (41490698800).

Almost surely, 2^82981397599 is an apocalyptic number.

82981397599 is a deficient number, since it is larger than the sum of its proper divisors (1).

82981397599 is an equidigital number, since it uses as much as digits as its factorization.

82981397599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88179840, while the sum is 70.

The spelling of 82981397599 in words is "eighty-two billion, nine hundred eighty-one million, three hundred ninety-seven thousand, five hundred ninety-nine".