82917559811 has 2 divisors, whose sum is σ = 82917559812. Its totient is φ = 82917559810.

The previous prime is 82917559807. The next prime is 82917559819. The reversal of 82917559811 is 11895571928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82917559811 - 2² = 82917559807 is a prime.

It is not a weakly prime, because it can be changed into another prime (82917559819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41458779905 + 41458779906.

It is an arithmetic number, because the mean of its divisors is an integer number (41458779906).

Almost surely, 2^82917559811 is an apocalyptic number.

82917559811 is a deficient number, since it is larger than the sum of its proper divisors (1).

82917559811 is an equidigital number, since it uses as much as digits as its factorization.

82917559811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 56.

The spelling of 82917559811 in words is "eighty-two billion, nine hundred seventeen million, five hundred fifty-nine thousand, eight hundred eleven".