25968834767881 has 16 divisors (see below), whose sum is σ = 26936374312960. Its totient is φ = 25009490514960.

The previous prime is 25968834767833. The next prime is 25968834767929. The reversal of 25968834767881 is 18876743886952.

It is an interprime number because it is at equal distance from previous prime (25968834767833) and next prime (25968834767929).

It is a cyclic number.

It is not a de Polignac number, because 25968834767881 - 2¹¹ = 25968834765833 is a prime.

It is a super-2 number, since 2×25968834767881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25968834767795 and 25968834767804.

It is not an unprimeable number, because it can be changed into a prime (25968834767831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18707050 + ... + 20047228.

It is an arithmetic number, because the mean of its divisors is an integer number (1683523394560).

Almost surely, 2^{25968834767881} is an apocalyptic number.

It is an amenable number.

25968834767881 is a deficient number, since it is larger than the sum of its proper divisors (967539545079).

25968834767881 is a wasteful number, since it uses less digits than its factorization.

25968834767881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343236.

The product of its digits is 7803371520, while the sum is 82.

The spelling of 25968834767881 in words is "twenty-five trillion, nine hundred sixty-eight billion, eight hundred thirty-four million, seven hundred sixty-seven thousand, eight hundred eighty-one".