2856752668057 has 4 divisors (see below), whose sum is σ = 2856762092800. Its totient is φ = 2856743243316.

The previous prime is 2856752668027. The next prime is 2856752668079. The reversal of 2856752668057 is 7508662576582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2856752668057 - 2²³ = 2856744279449 is a prime.

It is a super-2 number, since 2×2856752668057² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2856752667983 and 2856752668001.

It is not an unprimeable number, because it can be changed into a prime (2856752668027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4242057 + ... + 4869142.

It is an arithmetic number, because the mean of its divisors is an integer number (714190523200).

Almost surely, 2^{2856752668057} is an apocalyptic number.

It is an amenable number.

2856752668057 is a deficient number, since it is larger than the sum of its proper divisors (9424743).

2856752668057 is an equidigital number, since it uses as much as digits as its factorization.

2856752668057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424742.

The product of its (nonzero) digits is 338688000, while the sum is 67.

The spelling of 2856752668057 in words is "two trillion, eight hundred fifty-six billion, seven hundred fifty-two million, six hundred sixty-eight thousand, fifty-seven".