76663007666663 has 8 divisors (see below), whose sum is σ = 83873387485440. Its totient is φ = 69492797095480.

The previous prime is 76663007666633. The next prime is 76663007666677. The reversal of 76663007666663 is 36666670036667.

It is a happy number.

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

It is not a de Polignac number, because 76663007666663 - 2⁴⁴ = 59070821622247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76663007666593 and 76663007666602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76663007666633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10042307903 + ... + 10042315536.

It is an arithmetic number, because the mean of its divisors is an integer number (10484173435680).

Almost surely, 2^{76663007666663} is an apocalyptic number.

76663007666663 is a deficient number, since it is larger than the sum of its proper divisors (7210379818777).

76663007666663 is a wasteful number, since it uses less digits than its factorization.

76663007666663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20084623797.

The product of its (nonzero) digits is 740710656, while the sum is 68.

The spelling of 76663007666663 in words is "seventy-six trillion, six hundred sixty-three billion, seven million, six hundred sixty-six thousand, six hundred sixty-three".