77471110064 has 20 divisors (see below), whose sum is σ = 151107664800. Its totient is φ = 38475583680.

The previous prime is 77471110051. The next prime is 77471110097. The reversal of 77471110064 is 46001117477.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16245752 + ... + 16250519.

It is an arithmetic number, because the mean of its divisors is an integer number (7555383240).

Almost surely, 2^77471110064 is an apocalyptic number.

It is an amenable number.

77471110064 is a deficient number, since it is larger than the sum of its proper divisors (73636554736).

77471110064 is a wasteful number, since it uses less digits than its factorization.

77471110064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32496428 (or 32496422 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 77471110064 in words is "seventy-seven billion, four hundred seventy-one million, one hundred ten thousand, sixty-four".