2987663571 has 12 divisors (see below), whose sum is σ = 4321768360. Its totient is φ = 1988889120.

The previous prime is 2987663561. The next prime is 2987663579. The reversal of 2987663571 is 1753667892.

2987663571 is a `hidden beast` number, since 2 + 9 + 8 + 7 + 6 + 63 + 571 = 666.

It is not a de Polignac number, because 2987663571 - 2¹⁰ = 2987662547 is a prime.

It is a super-2 number, since 2×2987663571² = 17852267226960944082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2987663579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233986 + ... + 246423.

Almost surely, 2^2987663571 is an apocalyptic number.

2987663571 is a deficient number, since it is larger than the sum of its proper divisors (1334104789).

2987663571 is a wasteful number, since it uses less digits than its factorization.

2987663571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481106 (or 481103 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 2987663571 is about 54659.5240648874. The cubic root of 2987663571 is about 1440.2699421597.

The spelling of 2987663571 in words is "two billion, nine hundred eighty-seven million, six hundred sixty-three thousand, five hundred seventy-one".