826826086487 has 2 divisors, whose sum is σ = 826826086488. Its totient is φ = 826826086486.

The previous prime is 826826086459. The next prime is 826826086573. The reversal of 826826086487 is 784680628628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 826826086487 - 2¹⁸ = 826825824343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826823086487) 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, 413413043243 + 413413043244.

It is an arithmetic number, because the mean of its divisors is an integer number (413413043244).

Almost surely, 2^826826086487 is an apocalyptic number.

826826086487 is a deficient number, since it is larger than the sum of its proper divisors (1).

826826086487 is an equidigital number, since it uses as much as digits as its factorization.

826826086487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 99090432, while the sum is 65.

The spelling of 826826086487 in words is "eight hundred twenty-six billion, eight hundred twenty-six million, eighty-six thousand, four hundred eighty-seven".