25775087238347 has 2 divisors, whose sum is σ = 25775087238348. Its totient is φ = 25775087238346.

The previous prime is 25775087238239. The next prime is 25775087238377. The reversal of 25775087238347 is 74383278057752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25775087238347 - 2³² = 25770792271051 is a prime.

It is not a weakly prime, because it can be changed into another prime (25775087238377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12887543619173 + 12887543619174.

It is an arithmetic number, because the mean of its divisors is an integer number (12887543619174).

Almost surely, 2^{25775087238347} is an apocalyptic number.

25775087238347 is a deficient number, since it is larger than the sum of its proper divisors (1).

25775087238347 is an equidigital number, since it uses as much as digits as its factorization.

25775087238347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 553190400, while the sum is 68.

The spelling of 25775087238347 in words is "twenty-five trillion, seven hundred seventy-five billion, eighty-seven million, two hundred thirty-eight thousand, three hundred forty-seven".