76689500566 has 16 divisors (see below), whose sum is σ = 131478750720. Its totient is φ = 32864169960.

The previous prime is 76689500561. The next prime is 76689500579. The reversal of 76689500566 is 66500598667.

It is a self number, because there is not a number n which added to its sum of digits gives 76689500566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76689500561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52440 + ... + 395131.

It is an arithmetic number, because the mean of its divisors is an integer number (8217421920).

Almost surely, 2^76689500566 is an apocalyptic number.

76689500566 is a deficient number, since it is larger than the sum of its proper divisors (54789250154).

76689500566 is a wasteful number, since it uses less digits than its factorization.

76689500566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459819.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 76689500566 in words is "seventy-six billion, six hundred eighty-nine million, five hundred thousand, five hundred sixty-six".