2857972957368 has 32 divisors (see below), whose sum is σ = 7145254892160. Its totient is φ = 952614652640.

The previous prime is 2857972957351. The next prime is 2857972957393. The reversal of 2857972957368 is 8637592797582.

It is a junction number, because it is equal to n+sod(n) for n = 2857972957293 and 2857972957302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142438 + ... + 3210293.

It is an arithmetic number, because the mean of its divisors is an integer number (223289215380).

Almost surely, 2^{2857972957368} is an apocalyptic number.

It is an amenable number.

2857972957368 is an abundant number, since it is smaller than the sum of its proper divisors (4287281934792).

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

2857972957368 is a wasteful number, since it uses less digits than its factorization.

2857972957368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374987 (or 5374983 counting only the distinct ones).

The product of its digits is 3200601600, while the sum is 78.

The spelling of 2857972957368 in words is "two trillion, eight hundred fifty-seven billion, nine hundred seventy-two million, nine hundred fifty-seven thousand, three hundred sixty-eight".