172264338238 has 8 divisors (see below), whose sum is σ = 258403379832. Its totient is φ = 86129878296.

The previous prime is 172264338229. The next prime is 172264338241. The reversal of 172264338238 is 832833462271.

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

It is a junction number, because it is equal to n+sod(n) for n = 172264338191 and 172264338200.

It is a congruent number.

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, 1049820 + ... + 1202767.

It is an arithmetic number, because the mean of its divisors is an integer number (32300422479).

Almost surely, 2^172264338238 is an apocalyptic number.

172264338238 is a deficient number, since it is larger than the sum of its proper divisors (86139041594).

172264338238 is a wasteful number, since it uses less digits than its factorization.

172264338238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290826.

The product of its digits is 2322432, while the sum is 49.

The spelling of 172264338238 in words is "one hundred seventy-two billion, two hundred sixty-four million, three hundred thirty-eight thousand, two hundred thirty-eight".