266980927868927 has 8 divisors (see below), whose sum is σ = 267066696200832. Its totient is φ = 266895173323800.

The previous prime is 266980927868873. The next prime is 266980927868983. The reversal of 266980927868927 is 729868729089662.

It is a happy number.

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 266980927868927 - 2¹² = 266980927864831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266980927868987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35359652 + ... + 42240582.

It is an arithmetic number, because the mean of its divisors is an integer number (33383337025104).

Almost surely, 2^{266980927868927} is an apocalyptic number.

266980927868927 is a deficient number, since it is larger than the sum of its proper divisors (85768331905).

266980927868927 is an equidigital number, since it uses as much as digits as its factorization.

266980927868927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6893389.

The product of its (nonzero) digits is 31603654656, while the sum is 89.

The spelling of 266980927868927 in words is "two hundred sixty-six trillion, nine hundred eighty billion, nine hundred twenty-seven million, eight hundred sixty-eight thousand, nine hundred twenty-seven".