2857173000173 has 32 divisors (see below), whose sum is σ = 3028932182016. Its totient is φ = 2689745718528.

The previous prime is 2857173000169. The next prime is 2857173000197. The reversal of 2857173000173 is 3710003717582.

It is a cyclic number.

It is not a de Polignac number, because 2857173000173 - 2² = 2857173000169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857173000373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326417765 + ... + 326426517.

It is an arithmetic number, because the mean of its divisors is an integer number (94654130688).

Almost surely, 2^{2857173000173} is an apocalyptic number.

2857173000173 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2857173000173 is a deficient number, since it is larger than the sum of its proper divisors (171759181843).

2857173000173 is a wasteful number, since it uses less digits than its factorization.

2857173000173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9713.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 2857173000173 in words is "two trillion, eight hundred fifty-seven billion, one hundred seventy-three million, one hundred seventy-three", and thus it is an aban number.