2856452622857 has 4 divisors (see below), whose sum is σ = 2856484321296. Its totient is φ = 2856420924420.

The previous prime is 2856452622839. The next prime is 2856452622883. The reversal of 2856452622857 is 7582262546582.

It is a happy number.

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 2856452622857 - 2¹⁰ = 2856452621833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2856452622857.

It is not an unprimeable number, because it can be changed into a prime (2856452622817) 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, 15713663 + ... + 15894404.

It is an arithmetic number, because the mean of its divisors is an integer number (714121080324).

Almost surely, 2^{2856452622857} is an apocalyptic number.

It is an amenable number.

2856452622857 is a deficient number, since it is larger than the sum of its proper divisors (31698439).

2856452622857 is an equidigital number, since it uses as much as digits as its factorization.

2856452622857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31698438.

The product of its digits is 129024000, while the sum is 62.

The spelling of 2856452622857 in words is "two trillion, eight hundred fifty-six billion, four hundred fifty-two million, six hundred twenty-two thousand, eight hundred fifty-seven".