172871457316 has 12 divisors (see below), whose sum is σ = 302529406732. Its totient is φ = 86434483968.

The previous prime is 172871457281. The next prime is 172871457323. The reversal of 172871457316 is 613754178271.

It can be written as a sum of positive squares in 2 ways, for example, as 120996839716 + 51874617600 = 347846^2 + 227760^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 47176 + ... + 589888.

Almost surely, 2^172871457316 is an apocalyptic number.

It is an amenable number.

172871457316 is a deficient number, since it is larger than the sum of its proper divisors (129657949416).

172871457316 is a wasteful number, since it uses less digits than its factorization.

172871457316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622350 (or 622348 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 52.

The spelling of 172871457316 in words is "one hundred seventy-two billion, eight hundred seventy-one million, four hundred fifty-seven thousand, three hundred sixteen".