86791426679 has 2 divisors, whose sum is σ = 86791426680. Its totient is φ = 86791426678.

The previous prime is 86791426661. The next prime is 86791426691. The reversal of 86791426679 is 97662419768.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86791426679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86791426619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43395713339 + 43395713340.

It is an arithmetic number, because the mean of its divisors is an integer number (43395713340).

Almost surely, 2^86791426679 is an apocalyptic number.

86791426679 is a deficient number, since it is larger than the sum of its proper divisors (1).

86791426679 is an equidigital number, since it uses as much as digits as its factorization.

86791426679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54867456, while the sum is 65.

The spelling of 86791426679 in words is "eighty-six billion, seven hundred ninety-one million, four hundred twenty-six thousand, six hundred seventy-nine".