77104171666 has 8 divisors (see below), whose sum is σ = 115657530624. Its totient is φ = 38551661460.

The previous prime is 77104171657. The next prime is 77104171691. The reversal of 77104171666 is 66617140177.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117171 + ... + 409801.

It is an arithmetic number, because the mean of its divisors is an integer number (14457191328).

Almost surely, 2^77104171666 is an apocalyptic number.

77104171666 is a deficient number, since it is larger than the sum of its proper divisors (38553358958).

77104171666 is a wasteful number, since it uses less digits than its factorization.

77104171666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424376.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 77104171666 in words is "seventy-seven billion, one hundred four million, one hundred seventy-one thousand, six hundred sixty-six".