172715879282 has 8 divisors (see below), whose sum is σ = 259076406636. Its totient is φ = 86357077072.

The previous prime is 172715879279. The next prime is 172715879327. The reversal of 172715879282 is 282978517271.

172715879282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 415591²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 172715879281 + 1 = 415591^2 + 1^2 .

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

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, 142253 + ... + 604704.

Almost surely, 2^172715879282 is an apocalyptic number.

172715879282 is a deficient number, since it is larger than the sum of its proper divisors (86360527354).

172715879282 is a wasteful number, since it uses less digits than its factorization.

172715879282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862572.

The product of its digits is 7902720, while the sum is 59.

The spelling of 172715879282 in words is "one hundred seventy-two billion, seven hundred fifteen million, eight hundred seventy-nine thousand, two hundred eighty-two".