2857655734664 has 32 divisors (see below), whose sum is σ = 5432089464120. Its totient is φ = 1409102770176.

The previous prime is 2857655734627. The next prime is 2857655734721. The reversal of 2857655734664 is 4664375567582.

It can be written as a sum of positive squares in 4 ways, for example, as 2663652484900 + 194003249764 = 1632070^2 + 440458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2857655734594 and 2857655734603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5249504 + ... + 5768240.

Almost surely, 2^{2857655734664} is an apocalyptic number.

It is an amenable number.

2857655734664 is a deficient number, since it is larger than the sum of its proper divisors (2574433729456).

2857655734664 is a wasteful number, since it uses less digits than its factorization.

2857655734664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528249 (or 528245 counting only the distinct ones).

The product of its digits is 1016064000, while the sum is 68.

The spelling of 2857655734664 in words is "two trillion, eight hundred fifty-seven billion, six hundred fifty-five million, seven hundred thirty-four thousand, six hundred sixty-four".