26297454580868 has 12 divisors (see below), whose sum is σ = 46074245108892. Its totient is φ = 13133384549760.

The previous prime is 26297454580867. The next prime is 26297454580871. The reversal of 26297454580868 is 86808545479262.

It can be written as a sum of positive squares in 2 ways, for example, as 17139616560004 + 9157838020864 = 4140002^2 + 3026192^2 .

It is a super-2 number, since 2×26297454580868² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (74) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26297454580795 and 26297454580804.

It is not an unprimeable number, because it can be changed into a prime (26297454580867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3835681313 + ... + 3835688168.

It is an arithmetic number, because the mean of its divisors is an integer number (3839520425741).

Almost surely, 2^{26297454580868} is an apocalyptic number.

It is an amenable number.

26297454580868 is a deficient number, since it is larger than the sum of its proper divisors (19776790528024).

26297454580868 is a wasteful number, since it uses less digits than its factorization.

26297454580868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671370342 (or 7671370340 counting only the distinct ones).

The product of its (nonzero) digits is 1857945600, while the sum is 74.

The spelling of 26297454580868 in words is "twenty-six trillion, two hundred ninety-seven billion, four hundred fifty-four million, five hundred eighty thousand, eight hundred sixty-eight".