82761585659 has 2 divisors, whose sum is σ = 82761585660. Its totient is φ = 82761585658.

The previous prime is 82761585617. The next prime is 82761585671. The reversal of 82761585659 is 95658516728.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82761585659 is a prime.

It is not a weakly prime, because it can be changed into another prime (82761585059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41380792829 + 41380792830.

It is an arithmetic number, because the mean of its divisors is an integer number (41380792830).

Almost surely, 2^82761585659 is an apocalyptic number.

82761585659 is a deficient number, since it is larger than the sum of its proper divisors (1).

82761585659 is an equidigital number, since it uses as much as digits as its factorization.

82761585659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288000, while the sum is 62.

The spelling of 82761585659 in words is "eighty-two billion, seven hundred sixty-one million, five hundred eighty-five thousand, six hundred fifty-nine".