2856286057 has 2 divisors, whose sum is σ = 2856286058. Its totient is φ = 2856286056.

The previous prime is 2856286019. The next prime is 2856286061. The reversal of 2856286057 is 7506826582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2806456576 + 49829481 = 52976^2 + 7059^2 .

It is a cyclic number.

It is not a de Polignac number, because 2856286057 - 2²³ = 2847897449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2856286057.

It is not a weakly prime, because it can be changed into another prime (2856286087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428143028 + 1428143029.

It is an arithmetic number, because the mean of its divisors is an integer number (1428143029).

Almost surely, 2^2856286057 is an apocalyptic number.

It is an amenable number.

2856286057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2856286057 is an equidigital number, since it uses as much as digits as its factorization.

2856286057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The square root of 2856286057 is about 53444.2331500790. The cubic root of 2856286057 is about 1418.8415561840.

The spelling of 2856286057 in words is "two billion, eight hundred fifty-six million, two hundred eighty-six thousand, fifty-seven".