82788586291 has 2 divisors, whose sum is σ = 82788586292. Its totient is φ = 82788586290.

The previous prime is 82788586261. The next prime is 82788586303. The reversal of 82788586291 is 19268588728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82788586291 - 2⁵ = 82788586259 is a prime.

It is not a weakly prime, because it can be changed into another prime (82788586261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41394293145 + 41394293146.

It is an arithmetic number, because the mean of its divisors is an integer number (41394293146).

Almost surely, 2^82788586291 is an apocalyptic number.

82788586291 is a deficient number, since it is larger than the sum of its proper divisors (1).

82788586291 is an equidigital number, since it uses as much as digits as its factorization.

82788586291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30965760, while the sum is 64.

The spelling of 82788586291 in words is "eighty-two billion, seven hundred eighty-eight million, five hundred eighty-six thousand, two hundred ninety-one".