266793283440777 has 16 divisors (see below), whose sum is σ = 364038653341440. Its totient is φ = 173705997056592.

The previous prime is 266793283440641. The next prime is 266793283440809. The reversal of 266793283440777 is 777044382397662.

It is not a de Polignac number, because 266793283440777 - 2¹² = 266793283436681 is a prime.

It is a super-2 number, since 2×266793283440777² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266793283440699 and 266793283440708.

It is not an unprimeable number, because it can be changed into a prime (266793283447777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117093027 + ... + 119349752.

It is an arithmetic number, because the mean of its divisors is an integer number (22752415833840).

Almost surely, 2^{266793283440777} is an apocalyptic number.

It is an amenable number.

266793283440777 is a deficient number, since it is larger than the sum of its proper divisors (97245369900663).

266793283440777 is a wasteful number, since it uses less digits than its factorization.

266793283440777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236451572.

The product of its (nonzero) digits is 3584673792, while the sum is 75.

The spelling of 266793283440777 in words is "two hundred sixty-six trillion, seven hundred ninety-three billion, two hundred eighty-three million, four hundred forty thousand, seven hundred seventy-seven".