9708118172 has 24 divisors (see below), whose sum is σ = 17982204240. Its totient is φ = 4573169280.

The previous prime is 9708118159. The next prime is 9708118183. The reversal of 9708118172 is 2718118079.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339113 + ... + 366624.

It is an arithmetic number, because the mean of its divisors is an integer number (749258510).

Almost surely, 2^9708118172 is an apocalyptic number.

It is an amenable number.

9708118172 is a deficient number, since it is larger than the sum of its proper divisors (8274086068).

9708118172 is a wasteful number, since it uses less digits than its factorization.

9708118172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705941 (or 705939 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 44.

The square root of 9708118172 is about 98529.7831723992. The cubic root of 9708118172 is about 2133.2660315248.

The spelling of 9708118172 in words is "nine billion, seven hundred eight million, one hundred eighteen thousand, one hundred seventy-two".