26873604264961 has 8 divisors (see below), whose sum is σ = 26898970725000. Its totient is φ = 26848243968000.

The previous prime is 26873604264907. The next prime is 26873604264989. The reversal of 26873604264961 is 16946240637862.

It can be written as a sum of positive squares in 4 ways, for example, as 5590652175936 + 21282952089025 = 2364456^2 + 4613345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26873604264961 - 2⁷ = 26873604264833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26873604264893 and 26873604264902.

It is not an unprimeable number, because it can be changed into a prime (26873604264901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7207605 + ... + 10280893.

It is an arithmetic number, because the mean of its divisors is an integer number (3362371340625).

Almost surely, 2^{26873604264961} is an apocalyptic number.

It is an amenable number.

26873604264961 is a deficient number, since it is larger than the sum of its proper divisors (25366460039).

26873604264961 is a wasteful number, since it uses less digits than its factorization.

26873604264961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081539.

The product of its (nonzero) digits is 125411328, while the sum is 64.

The spelling of 26873604264961 in words is "twenty-six trillion, eight hundred seventy-three billion, six hundred four million, two hundred sixty-four thousand, nine hundred sixty-one".