172885887316 has 12 divisors (see below), whose sum is σ = 303504722388. Its totient is φ = 86170252352.

The previous prime is 172885887311. The next prime is 172885887407. The reversal of 172885887316 is 613788588271.

172885887316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 100745299216 + 72140588100 = 317404^2 + 268590^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172885887311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68171401 + ... + 68173936.

It is an arithmetic number, because the mean of its divisors is an integer number (25292060199).

Almost surely, 2^172885887316 is an apocalyptic number.

It is an amenable number.

172885887316 is a deficient number, since it is larger than the sum of its proper divisors (130618835072).

172885887316 is a wasteful number, since it uses less digits than its factorization.

172885887316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136345658 (or 136345656 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 64.

The spelling of 172885887316 in words is "one hundred seventy-two billion, eight hundred eighty-five million, eight hundred eighty-seven thousand, three hundred sixteen".