2257797871 has 16 divisors (see below), whose sum is σ = 2671257600. Its totient is φ = 1867164768.

The previous prime is 2257797869. The next prime is 2257797901. The reversal of 2257797871 is 1787977522.

2257797871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2257797871 - 2¹ = 2257797869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257792871) 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, 353916 + ... + 360238.

It is an arithmetic number, because the mean of its divisors is an integer number (166953600).

Almost surely, 2^2257797871 is an apocalyptic number.

2257797871 is a deficient number, since it is larger than the sum of its proper divisors (413459729).

2257797871 is a wasteful number, since it uses less digits than its factorization.

2257797871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118.

The product of its digits is 3457440, while the sum is 55.

The square root of 2257797871 is about 47516.2905854403. The cubic root of 2257797871 is about 1311.8827445078.

The spelling of 2257797871 in words is "two billion, two hundred fifty-seven million, seven hundred ninety-seven thousand, eight hundred seventy-one".