172852947685 has 8 divisors (see below), whose sum is σ = 226280222496. Its totient is φ = 125711234640.

The previous prime is 172852947661. The next prime is 172852947821. The reversal of 172852947685 is 586749258271.

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

It is not a de Polignac number, because 172852947685 - 2⁹ = 172852947173 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, 1571390379 + ... + 1571390488.

It is an arithmetic number, because the mean of its divisors is an integer number (28285027812).

Almost surely, 2^172852947685 is an apocalyptic number.

It is an amenable number.

172852947685 is a deficient number, since it is larger than the sum of its proper divisors (53427274811).

172852947685 is a wasteful number, since it uses less digits than its factorization.

172852947685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142780883.

The product of its digits is 67737600, while the sum is 64.

The spelling of 172852947685 in words is "one hundred seventy-two billion, eight hundred fifty-two million, nine hundred forty-seven thousand, six hundred eighty-five".