76666663333333 has 16 divisors (see below), whose sum is σ = 82905052723200. Its totient is φ = 70728372973440.

The previous prime is 76666663333243. The next prime is 76666663333343. The reversal of 76666663333333 is 33333336666667.

It is a cyclic number.

It is not a de Polignac number, because 76666663333333 - 2²⁵ = 76666629778901 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76666663333343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539675416 + ... + 539817457.

It is an arithmetic number, because the mean of its divisors is an integer number (5181565795200).

Almost surely, 2^{76666663333333} is an apocalyptic number.

It is an amenable number.

76666663333333 is a deficient number, since it is larger than the sum of its proper divisors (6238389389867).

76666663333333 is a wasteful number, since it uses less digits than its factorization.

76666663333333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079493012.

The product of its digits is 714256704, while the sum is 64.

The spelling of 76666663333333 in words is "seventy-six trillion, six hundred sixty-six billion, six hundred sixty-three million, three hundred thirty-three thousand, three hundred thirty-three".