25946500787 has 2 divisors, whose sum is σ = 25946500788. Its totient is φ = 25946500786.

The previous prime is 25946500777. The next prime is 25946500817. The reversal of 25946500787 is 78700564952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25946500787 - 2⁴ = 25946500771 is a prime.

It is not a weakly prime, because it can be changed into another prime (25946500777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12973250393 + 12973250394.

It is an arithmetic number, because the mean of its divisors is an integer number (12973250394).

Almost surely, 2^25946500787 is an apocalyptic number.

25946500787 is a deficient number, since it is larger than the sum of its proper divisors (1).

25946500787 is an equidigital number, since it uses as much as digits as its factorization.

25946500787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 25946500787 in words is "twenty-five billion, nine hundred forty-six million, five hundred thousand, seven hundred eighty-seven".