2864972871 has 6 divisors (see below), whose sum is σ = 4138294160. Its totient is φ = 1909981908.

The previous prime is 2864972837. The next prime is 2864972881. The reversal of 2864972871 is 1782794682.

It is a happy number.

2864972871 is a `hidden beast` number, since 2 + 86 + 497 + 2 + 8 + 71 = 666.

It is not a de Polignac number, because 2864972871 - 2¹⁰ = 2864971847 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 (2864972801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159165151 + ... + 159165168.

Almost surely, 2^2864972871 is an apocalyptic number.

2864972871 is a deficient number, since it is larger than the sum of its proper divisors (1273321289).

2864972871 is a wasteful number, since it uses less digits than its factorization.

2864972871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318330325 (or 318330322 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 2864972871 is about 53525.4413433462. The cubic root of 2864972871 is about 1420.2784732901.

The spelling of 2864972871 in words is "two billion, eight hundred sixty-four million, nine hundred seventy-two thousand, eight hundred seventy-one".