2971280871 has 24 divisors (see below), whose sum is σ = 4650378096. Its totient is φ = 1817251200.

The previous prime is 2971280833. The next prime is 2971280881. The reversal of 2971280871 is 1780821792.

2971280871 is a `hidden beast` number, since 297 + 1 + 280 + 87 + 1 = 666.

2971280871 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 2971280871 - 2¹¹ = 2971278823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971280801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58830 + ... + 96971.

It is an arithmetic number, because the mean of its divisors is an integer number (193765754).

Almost surely, 2^2971280871 is an apocalyptic number.

2971280871 is a deficient number, since it is larger than the sum of its proper divisors (1679097225).

2971280871 is a wasteful number, since it uses less digits than its factorization.

2971280871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155983 (or 155980 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 2971280871 is about 54509.4567116569. The cubic root of 2971280871 is about 1437.6325668392.

The spelling of 2971280871 in words is "two billion, nine hundred seventy-one million, two hundred eighty thousand, eight hundred seventy-one".