26866868061 has 8 divisors (see below), whose sum is σ = 39079080864. Its totient is φ = 16282950320.

The previous prime is 26866868057. The next prime is 26866868107. The reversal of 26866868061 is 16086866862.

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 26866868061 - 2² = 26866868057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26866867992 and 26866868010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26866868461) 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, 407073726 + ... + 407073791.

It is an arithmetic number, because the mean of its divisors is an integer number (4884885108).

Almost surely, 2^26866868061 is an apocalyptic number.

It is an amenable number.

26866868061 is a deficient number, since it is larger than the sum of its proper divisors (12212212803).

26866868061 is a wasteful number, since it uses less digits than its factorization.

26866868061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814147531.

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 26866868061 in words is "twenty-six billion, eight hundred sixty-six million, eight hundred sixty-eight thousand, sixty-one".