25751368787 has 2 divisors, whose sum is σ = 25751368788. Its totient is φ = 25751368786.

The previous prime is 25751368711. The next prime is 25751368829. The reversal of 25751368787 is 78786315752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25751368787 - 2²² = 25747174483 is a prime.

It is not a weakly prime, because it can be changed into another prime (25751364787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12875684393 + 12875684394.

It is an arithmetic number, because the mean of its divisors is an integer number (12875684394).

Almost surely, 2^25751368787 is an apocalyptic number.

25751368787 is a deficient number, since it is larger than the sum of its proper divisors (1).

25751368787 is an equidigital number, since it uses as much as digits as its factorization.

25751368787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19756800, while the sum is 59.

The spelling of 25751368787 in words is "twenty-five billion, seven hundred fifty-one million, three hundred sixty-eight thousand, seven hundred eighty-seven".