25168725886867 has 2 divisors, whose sum is σ = 25168725886868. Its totient is φ = 25168725886866.

The previous prime is 25168725886793. The next prime is 25168725886877. The reversal of 25168725886867 is 76868852786152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25168725886867 - 2²³ = 25168717498259 is a prime.

It is not a weakly prime, because it can be changed into another prime (25168725886877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12584362943433 + 12584362943434.

It is an arithmetic number, because the mean of its divisors is an integer number (12584362943434).

Almost surely, 2^{25168725886867} is an apocalyptic number.

25168725886867 is a deficient number, since it is larger than the sum of its proper divisors (1).

25168725886867 is an equidigital number, since it uses as much as digits as its factorization.

25168725886867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4335206400, while the sum is 79.

The spelling of 25168725886867 in words is "twenty-five trillion, one hundred sixty-eight billion, seven hundred twenty-five million, eight hundred eighty-six thousand, eight hundred sixty-seven".