172238939335 has 8 divisors (see below), whose sum is σ = 206697551616. Its totient is φ = 137783935200.

The previous prime is 172238939329. The next prime is 172238939407. The reversal of 172238939335 is 533939832271.

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

It is not a de Polignac number, because 172238939335 - 2³¹ = 170091455687 is a prime.

It is a Duffinian number.

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, 795879 + ... + 988888.

It is an arithmetic number, because the mean of its divisors is an integer number (25837193952).

Almost surely, 2^172238939335 is an apocalyptic number.

172238939335 is a deficient number, since it is larger than the sum of its proper divisors (34458612281).

172238939335 is a wasteful number, since it uses less digits than its factorization.

172238939335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804073.

The product of its digits is 7348320, while the sum is 55.

The spelling of 172238939335 in words is "one hundred seventy-two billion, two hundred thirty-eight million, nine hundred thirty-nine thousand, three hundred thirty-five".