2771897133 has 16 divisors (see below), whose sum is σ = 3796240896. Its totient is φ = 1798407600.

The previous prime is 2771897131. The next prime is 2771897153. The reversal of 2771897133 is 3317981772.

It is not a de Polignac number, because 2771897133 - 2¹ = 2771897131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771897131) 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, 66393 + ... + 99758.

It is an arithmetic number, because the mean of its divisors is an integer number (237265056).

Almost surely, 2^2771897133 is an apocalyptic number.

It is an amenable number.

2771897133 is a deficient number, since it is larger than the sum of its proper divisors (1024343763).

2771897133 is a wasteful number, since it uses less digits than its factorization.

2771897133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166304.

The product of its digits is 444528, while the sum is 48.

The square root of 2771897133 is about 52648.8094167380. The cubic root of 2771897133 is about 1404.7284224103.

The spelling of 2771897133 in words is "two billion, seven hundred seventy-one million, eight hundred ninety-seven thousand, one hundred thirty-three".