25802067587 has 2 divisors, whose sum is σ = 25802067588. Its totient is φ = 25802067586.

The previous prime is 25802067563. The next prime is 25802067589. The reversal of 25802067587 is 78576020852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25802067587 - 2¹⁴ = 25802051203 is a prime.

Together with 25802067589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25802067589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12901033793 + 12901033794.

It is an arithmetic number, because the mean of its divisors is an integer number (12901033794).

Almost surely, 2^25802067587 is an apocalyptic number.

25802067587 is a deficient number, since it is larger than the sum of its proper divisors (1).

25802067587 is an equidigital number, since it uses as much as digits as its factorization.

25802067587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 25802067587 in words is "twenty-five billion, eight hundred two million, sixty-seven thousand, five hundred eighty-seven".