8525779663 has 2 divisors, whose sum is σ = 8525779664. Its totient is φ = 8525779662.

The previous prime is 8525779637. The next prime is 8525779673. The reversal of 8525779663 is 3669775258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8525779663 - 2⁹ = 8525779151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8525779598 and 8525779607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8525779673) 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, 4262889831 + 4262889832.

It is an arithmetic number, because the mean of its divisors is an integer number (4262889832).

Almost surely, 2^8525779663 is an apocalyptic number.

8525779663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8525779663 is an equidigital number, since it uses as much as digits as its factorization.

8525779663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 58.

The square root of 8525779663 is about 92335.1485784260. The cubic root of 8525779663 is about 2042.8886782957. Note that the first 3 decimals are identical.

The spelling of 8525779663 in words is "eight billion, five hundred twenty-five million, seven hundred seventy-nine thousand, six hundred sixty-three".