27625799863 has 2 divisors, whose sum is σ = 27625799864. Its totient is φ = 27625799862.

The previous prime is 27625799827. The next prime is 27625799879. The reversal of 27625799863 is 36899752672.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27625799863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27625799795 and 27625799804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27625799963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13812899931 + 13812899932.

It is an arithmetic number, because the mean of its divisors is an integer number (13812899932).

Almost surely, 2^27625799863 is an apocalyptic number.

27625799863 is a deficient number, since it is larger than the sum of its proper divisors (1).

27625799863 is an equidigital number, since it uses as much as digits as its factorization.

27625799863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68584320, while the sum is 64.

The spelling of 27625799863 in words is "twenty-seven billion, six hundred twenty-five million, seven hundred ninety-nine thousand, eight hundred sixty-three".