387172704234 has 32 divisors (see below), whose sum is σ = 781726196160. Its totient is φ = 127833120000.

The previous prime is 387172704223. The next prime is 387172704241. The reversal of 387172704234 is 432407271783.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437599 + ... + 982770.

It is an arithmetic number, because the mean of its divisors is an integer number (24428943630).

Almost surely, 2^387172704234 is an apocalyptic number.

387172704234 is an abundant number, since it is smaller than the sum of its proper divisors (394553491926).

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

387172704234 is a wasteful number, since it uses less digits than its factorization.

387172704234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420806.

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 387172704234 in words is "three hundred eighty-seven billion, one hundred seventy-two million, seven hundred four thousand, two hundred thirty-four".