25608780863 has 2 divisors, whose sum is σ = 25608780864. Its totient is φ = 25608780862.

The previous prime is 25608780853. The next prime is 25608780871. The reversal of 25608780863 is 36808780652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25608780863 - 2¹⁴ = 25608764479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25608780833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12804390431 + 12804390432.

It is an arithmetic number, because the mean of its divisors is an integer number (12804390432).

Almost surely, 2^25608780863 is an apocalyptic number.

25608780863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25608780863 is an equidigital number, since it uses as much as digits as its factorization.

25608780863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 25608780863 in words is "twenty-five billion, six hundred eight million, seven hundred eighty thousand, eight hundred sixty-three".