25908334087 has 2 divisors, whose sum is σ = 25908334088. Its totient is φ = 25908334086.

The previous prime is 25908334069. The next prime is 25908334147. The reversal of 25908334087 is 78043380952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25908334087 - 2¹⁵ = 25908301319 is a prime.

It is a super-2 number, since 2×25908334087² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25908334087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25908334187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12954167043 + 12954167044.

It is an arithmetic number, because the mean of its divisors is an integer number (12954167044).

Almost surely, 2^25908334087 is an apocalyptic number.

25908334087 is a deficient number, since it is larger than the sum of its proper divisors (1).

25908334087 is an equidigital number, since it uses as much as digits as its factorization.

25908334087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 25908334087 in words is "twenty-five billion, nine hundred eight million, three hundred thirty-four thousand, eighty-seven".