2857171745748 has 48 divisors (see below), whose sum is σ = 6881959526400. Its totient is φ = 921645602400.

The previous prime is 2857171745737. The next prime is 2857171745789. The reversal of 2857171745748 is 8475471717582.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21879553 + ... + 22009751.

It is an arithmetic number, because the mean of its divisors is an integer number (143374156800).

Almost surely, 2^{2857171745748} is an apocalyptic number.

It is an amenable number.

2857171745748 is an abundant number, since it is smaller than the sum of its proper divisors (4024787780652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2857171745748 is a wasteful number, since it uses less digits than its factorization.

2857171745748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189228 (or 189226 counting only the distinct ones).

The product of its digits is 122931200, while the sum is 66.

The spelling of 2857171745748 in words is "two trillion, eight hundred fifty-seven billion, one hundred seventy-one million, seven hundred forty-five thousand, seven hundred forty-eight".