82391488843 has 2 divisors, whose sum is σ = 82391488844. Its totient is φ = 82391488842.

The previous prime is 82391488811. The next prime is 82391488919. The reversal of 82391488843 is 34888419328.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82391488843 - 2⁵ = 82391488811 is a prime.

It is not a weakly prime, because it can be changed into another prime (82391488243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41195744421 + 41195744422.

It is an arithmetic number, because the mean of its divisors is an integer number (41195744422).

Almost surely, 2^82391488843 is an apocalyptic number.

82391488843 is a deficient number, since it is larger than the sum of its proper divisors (1).

82391488843 is an equidigital number, since it uses as much as digits as its factorization.

82391488843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10616832, while the sum is 58.

The spelling of 82391488843 in words is "eighty-two billion, three hundred ninety-one million, four hundred eighty-eight thousand, eight hundred forty-three".