845126047 has 2 divisors, whose sum is σ = 845126048. Its totient is φ = 845126046.

The previous prime is 845125997. The next prime is 845126059. The reversal of 845126047 is 740621548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 845126047 - 2¹⁵ = 845093279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 845125997 and 845126015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (845126077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422563023 + 422563024.

It is an arithmetic number, because the mean of its divisors is an integer number (422563024).

Almost surely, 2^845126047 is an apocalyptic number.

845126047 is a deficient number, since it is larger than the sum of its proper divisors (1).

845126047 is an equidigital number, since it uses as much as digits as its factorization.

845126047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 845126047 is about 29071.0517009619. The cubic root of 845126047 is about 945.4542004428.

The spelling of 845126047 in words is "eight hundred forty-five million, one hundred twenty-six thousand, forty-seven".