26461317687023 has 8 divisors (see below), whose sum is σ = 27384071761200. Its totient is φ = 25539249935808.

The previous prime is 26461317687017. The next prime is 26461317687031. The reversal of 26461317687023 is 32078671316462.

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 26461317687023 - 2²⁶ = 26461250578159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26461317687023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26461317687323) 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, 171502286 + ... + 171656507.

It is an arithmetic number, because the mean of its divisors is an integer number (3423008970150).

Almost surely, 2^{26461317687023} is an apocalyptic number.

26461317687023 is a deficient number, since it is larger than the sum of its proper divisors (922754074177).

26461317687023 is a wasteful number, since it uses less digits than its factorization.

26461317687023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343161481.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 26461317687023 in words is "twenty-six trillion, four hundred sixty-one billion, three hundred seventeen million, six hundred eighty-seven thousand, twenty-three".