26666666676 has 72 divisors (see below), whose sum is σ = 72612114120. Its totient is φ = 8202921984.

The previous prime is 26666666657. The next prime is 26666666681. The reversal of 26666666676 is 67666666662.

It can be written as a sum of positive squares in 4 ways, for example, as 962240400 + 25704426276 = 31020^2 + 160326^2 .

It is a super-2 number, since 2×26666666676² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2968720 + ... + 2977688.

It is an arithmetic number, because the mean of its divisors is an integer number (1008501585).

Almost surely, 2^26666666676 is an apocalyptic number.

26666666676 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26666666676 is an abundant number, since it is smaller than the sum of its proper divisors (45945447444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26666666676 is a wasteful number, since it uses less digits than its factorization.

26666666676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15345 (or 15340 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 63.

The spelling of 26666666676 in words is "twenty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-six".