76668722786667 has 8 divisors (see below), whose sum is σ = 111518142235200. Its totient is φ = 46465892597960.

The previous prime is 76668722786647. The next prime is 76668722786693.

76668722786667 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76668722786667 - 2¹⁰ = 76668722785643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76668722786667.

It is not an unprimeable number, because it can be changed into a prime (76668722786647) 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, 1161647314917 + ... + 1161647314982.

It is an arithmetic number, because the mean of its divisors is an integer number (13939767779400).

Almost surely, 2^{76668722786667} is an apocalyptic number.

76668722786667 is a deficient number, since it is larger than the sum of its proper divisors (34849419448533).

76668722786667 is a wasteful number, since it uses less digits than its factorization.

76668722786667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323294629913.

The product of its digits is 28677390336, while the sum is 84.

The spelling of 76668722786667 in words is "seventy-six trillion, six hundred sixty-eight billion, seven hundred twenty-two million, seven hundred eighty-six thousand, six hundred sixty-seven".