76666663333 has 8 divisors (see below), whose sum is σ = 82590246368. Its totient is φ = 70746815664.

The previous prime is 76666663327. The next prime is 76666663349. The reversal of 76666663333 is 33336666667.

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 a de Polignac number, because none of the positive numbers 2^k-76666663333 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 (76666663033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891135 + ... + 973372.

It is an arithmetic number, because the mean of its divisors is an integer number (10323780796).

Almost surely, 2^76666663333 is an apocalyptic number.

It is an amenable number.

76666663333 is a deficient number, since it is larger than the sum of its proper divisors (5923583035).

76666663333 is a wasteful number, since it uses less digits than its factorization.

76666663333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867683.

The product of its digits is 26453952, while the sum is 55.

The spelling of 76666663333 in words is "seventy-six billion, six hundred sixty-six million, six hundred sixty-three thousand, three hundred thirty-three".