266079210979 has 4 divisors (see below), whose sum is σ = 268433894376. Its totient is φ = 263724527584.

The previous prime is 266079210977. The next prime is 266079211009. The reversal of 266079210979 is 979012970662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979012970662 = 2 ⋅489506485331.

It is a cyclic number.

It is not a de Polignac number, because 266079210979 - 2¹ = 266079210977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266079210977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177341529 + ... + 1177341754.

It is an arithmetic number, because the mean of its divisors is an integer number (67108473594).

Almost surely, 2^266079210979 is an apocalyptic number.

266079210979 is a deficient number, since it is larger than the sum of its proper divisors (2354683397).

266079210979 is a wasteful number, since it uses less digits than its factorization.

266079210979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354683396.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The spelling of 266079210979 in words is "two hundred sixty-six billion, seventy-nine million, two hundred ten thousand, nine hundred seventy-nine".