826468831 has 2 divisors, whose sum is σ = 826468832. Its totient is φ = 826468830.

The previous prime is 826468813. The next prime is 826468861. The reversal of 826468831 is 138864628.

Together with previous prime (826468813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 826468831 - 2⁷ = 826468703 is a prime.

It is a super-2 number, since 2×826468831² = 1366101457229013122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826468801) 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, 413234415 + 413234416.

It is an arithmetic number, because the mean of its divisors is an integer number (413234416).

Almost surely, 2^826468831 is an apocalyptic number.

826468831 is a deficient number, since it is larger than the sum of its proper divisors (1).

826468831 is an equidigital number, since it uses as much as digits as its factorization.

826468831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 46.

The square root of 826468831 is about 28748.3709277587. The cubic root of 826468831 is about 938.4450037583.

The spelling of 826468831 in words is "eight hundred twenty-six million, four hundred sixty-eight thousand, eight hundred thirty-one".