25775087238239 has 2 divisors, whose sum is σ = 25775087238240. Its totient is φ = 25775087238238.

The previous prime is 25775087238223. The next prime is 25775087238347. The reversal of 25775087238239 is 93283278057752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25775087238239 - 2⁴ = 25775087238223 is a prime.

It is a super-2 number, since 2×25775087238239² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25775087228239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12887543619119 + 12887543619120.

It is an arithmetic number, because the mean of its divisors is an integer number (12887543619120).

Almost surely, 2^{25775087238239} is an apocalyptic number.

25775087238239 is a deficient number, since it is larger than the sum of its proper divisors (1).

25775087238239 is an equidigital number, since it uses as much as digits as its factorization.

25775087238239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 355622400, while the sum is 68.

The spelling of 25775087238239 in words is "twenty-five trillion, seven hundred seventy-five billion, eighty-seven million, two hundred thirty-eight thousand, two hundred thirty-nine".