25882870829 has 2 divisors, whose sum is σ = 25882870830. Its totient is φ = 25882870828.

The previous prime is 25882870781. The next prime is 25882870837. The reversal of 25882870829 is 92807828852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15279432100 + 10603438729 = 123610^2 + 102973^2 .

It is a cyclic number.

It is not a de Polignac number, because 25882870829 - 2¹² = 25882866733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25882875829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12941435414 + 12941435415.

It is an arithmetic number, because the mean of its divisors is an integer number (12941435415).

Almost surely, 2^25882870829 is an apocalyptic number.

It is an amenable number.

25882870829 is a deficient number, since it is larger than the sum of its proper divisors (1).

25882870829 is an equidigital number, since it uses as much as digits as its factorization.

25882870829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10321920, while the sum is 59.

The spelling of 25882870829 in words is "twenty-five billion, eight hundred eighty-two million, eight hundred seventy thousand, eight hundred twenty-nine".