25250027748679 has 2 divisors, whose sum is σ = 25250027748680. Its totient is φ = 25250027748678.

The previous prime is 25250027748641. The next prime is 25250027748709. The reversal of 25250027748679 is 97684772005252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25250027748679 - 2⁹ = 25250027748167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25250027748679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25250027748629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625013874339 + 12625013874340.

It is an arithmetic number, because the mean of its divisors is an integer number (12625013874340).

Almost surely, 2^{25250027748679} is an apocalyptic number.

25250027748679 is a deficient number, since it is larger than the sum of its proper divisors (1).

25250027748679 is an equidigital number, since it uses as much as digits as its factorization.

25250027748679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118540800, while the sum is 64.

The spelling of 25250027748679 in words is "twenty-five trillion, two hundred fifty billion, twenty-seven million, seven hundred forty-eight thousand, six hundred seventy-nine".