76707580666 has 8 divisors (see below), whose sum is σ = 118773028224. Its totient is φ = 37116571260.

The previous prime is 76707580643. The next prime is 76707580667. The reversal of 76707580666 is 66608570767.

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

It is a self number, because there is not a number n which added to its sum of digits gives 76707580666.

It is not an unprimeable number, because it can be changed into a prime (76707580667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618609460 + ... + 618609583.

It is an arithmetic number, because the mean of its divisors is an integer number (14846628528).

Almost surely, 2^76707580666 is an apocalyptic number.

76707580666 is a deficient number, since it is larger than the sum of its proper divisors (42065447558).

76707580666 is a wasteful number, since it uses less digits than its factorization.

76707580666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237219076.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 76707580666 in words is "seventy-six billion, seven hundred seven million, five hundred eighty thousand, six hundred sixty-six".