2567871897 has 16 divisors (see below), whose sum is σ = 3442763520. Its totient is φ = 1702465232.

The previous prime is 2567871883. The next prime is 2567871919. The reversal of 2567871897 is 7981787652.

2567871897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2567871897 - 2⁶ = 2567871833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2567871897.

It is not an unprimeable number, because it can be changed into a prime (2567871997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872254 + ... + 875192.

It is an arithmetic number, because the mean of its divisors is an integer number (215172720).

Almost surely, 2^2567871897 is an apocalyptic number.

It is an amenable number.

2567871897 is a deficient number, since it is larger than the sum of its proper divisors (874891623).

2567871897 is a wasteful number, since it uses less digits than its factorization.

2567871897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452.

The product of its digits is 11854080, while the sum is 60.

The square root of 2567871897 is about 50674.1738659842. The cubic root of 2567871897 is about 1369.3814845240.

The spelling of 2567871897 in words is "two billion, five hundred sixty-seven million, eight hundred seventy-one thousand, eight hundred ninety-seven".