77832144708 has 12 divisors (see below), whose sum is σ = 181608337680. Its totient is φ = 25944048232.

The previous prime is 77832144671. The next prime is 77832144727. The reversal of 77832144708 is 80744123877.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3243006018 + ... + 3243006041.

It is an arithmetic number, because the mean of its divisors is an integer number (15134028140).

Almost surely, 2^77832144708 is an apocalyptic number.

It is an amenable number.

77832144708 is an abundant number, since it is smaller than the sum of its proper divisors (103776192972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77832144708 is a wasteful number, since it uses less digits than its factorization.

77832144708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486012066 (or 6486012064 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 51.

The spelling of 77832144708 in words is "seventy-seven billion, eight hundred thirty-two million, one hundred forty-four thousand, seven hundred eight".