26360861217 has 8 divisors (see below), whose sum is σ = 35151126624. Its totient is φ = 17572251648.

The previous prime is 26360861213. The next prime is 26360861239. The reversal of 26360861217 is 71216806362.

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

It is not a de Polignac number, because 26360861217 - 2² = 26360861213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26360861213) 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, 376323 + ... + 440840.

It is an arithmetic number, because the mean of its divisors is an integer number (4393890828).

Almost surely, 2^26360861217 is an apocalyptic number.

It is an amenable number.

26360861217 is a deficient number, since it is larger than the sum of its proper divisors (8790265407).

26360861217 is a wasteful number, since it uses less digits than its factorization.

26360861217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827919.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 26360861217 in words is "twenty-six billion, three hundred sixty million, eight hundred sixty-one thousand, two hundred seventeen".