172247400008 has 16 divisors (see below), whose sum is σ = 339961974000. Its totient is φ = 81590873616.

The previous prime is 172247399953. The next prime is 172247400011. The reversal of 172247400008 is 800004742271.

It is a happy number.

172247400008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 566603138 + ... + 566603441.

It is an arithmetic number, because the mean of its divisors is an integer number (21247623375).

Almost surely, 2^172247400008 is an apocalyptic number.

It is an amenable number.

172247400008 is a deficient number, since it is larger than the sum of its proper divisors (167714573992).

172247400008 is a wasteful number, since it uses less digits than its factorization.

172247400008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133206604 (or 1133206600 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The spelling of 172247400008 in words is "one hundred seventy-two billion, two hundred forty-seven million, four hundred thousand, eight".