826497047 has 2 divisors, whose sum is σ = 826497048. Its totient is φ = 826497046.

The previous prime is 826497031. The next prime is 826497079. The reversal of 826497047 is 740794628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 826497047 - 2⁴ = 826497031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 826496992 and 826497010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826497097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413248523 + 413248524.

It is an arithmetic number, because the mean of its divisors is an integer number (413248524).

Almost surely, 2^826497047 is an apocalyptic number.

826497047 is a deficient number, since it is larger than the sum of its proper divisors (1).

826497047 is an equidigital number, since it uses as much as digits as its factorization.

826497047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 826497047 is about 28748.8616644207. The cubic root of 826497047 is about 938.4556832749.

The spelling of 826497047 in words is "eight hundred twenty-six million, four hundred ninety-seven thousand, forty-seven".