827426543 has 2 divisors, whose sum is σ = 827426544. Its totient is φ = 827426542.

The previous prime is 827426527. The next prime is 827426557. The reversal of 827426543 is 345624728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 827426543 - 2⁴ = 827426527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 827426543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827426563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413713271 + 413713272.

It is an arithmetic number, because the mean of its divisors is an integer number (413713272).

Almost surely, 2^827426543 is an apocalyptic number.

827426543 is a deficient number, since it is larger than the sum of its proper divisors (1).

827426543 is an equidigital number, since it uses as much as digits as its factorization.

827426543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 41.

The square root of 827426543 is about 28765.0229097771. The cubic root of 827426543 is about 938.8073538232.

The spelling of 827426543 in words is "eight hundred twenty-seven million, four hundred twenty-six thousand, five hundred forty-three".