855528659 has 2 divisors, whose sum is σ = 855528660. Its totient is φ = 855528658.

The previous prime is 855528593. The next prime is 855528671. The reversal of 855528659 is 956825558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 855528659 - 2¹⁶ = 855463123 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 855528659.

It is not a weakly prime, because it can be changed into another prime (855528679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427764329 + 427764330.

It is an arithmetic number, because the mean of its divisors is an integer number (427764330).

Almost surely, 2^855528659 is an apocalyptic number.

855528659 is a deficient number, since it is larger than the sum of its proper divisors (1).

855528659 is an equidigital number, since it uses as much as digits as its factorization.

855528659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320000, while the sum is 53.

The square root of 855528659 is about 29249.4215156471. The cubic root of 855528659 is about 949.3175741675.

The spelling of 855528659 in words is "eight hundred fifty-five million, five hundred twenty-eight thousand, six hundred fifty-nine".