76466808607721 has 8 divisors (see below), whose sum is σ = 87392282349504. Its totient is φ = 65541745851120.

The previous prime is 76466808607711. The next prime is 76466808607801. The reversal of 76466808607721 is 12770680866467.

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 76466808607721 - 2¹⁰ = 76466808606697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76466808607711) 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, 102347495 + ... + 103091916.

It is an arithmetic number, because the mean of its divisors is an integer number (10924035293688).

Almost surely, 2^{76466808607721} is an apocalyptic number.

It is an amenable number.

76466808607721 is a deficient number, since it is larger than the sum of its proper divisors (10925473741783).

76466808607721 is a wasteful number, since it uses less digits than its factorization.

76466808607721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205492591.

The product of its (nonzero) digits is 227598336, while the sum is 68.

The spelling of 76466808607721 in words is "seventy-six trillion, four hundred sixty-six billion, eight hundred eight million, six hundred seven thousand, seven hundred twenty-one".