2987663171 has 4 divisors (see below), whose sum is σ = 2991047592. Its totient is φ = 2984278752.

The previous prime is 2987663141. The next prime is 2987663207. The reversal of 2987663171 is 1713667892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2987663171 - 2¹⁰ = 2987662147 is a prime.

It is a super-2 number, since 2×2987663171² = 17852262446699550482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2987663141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690886 + ... + 1692651.

It is an arithmetic number, because the mean of its divisors is an integer number (747761898).

Almost surely, 2^2987663171 is an apocalyptic number.

2987663171 is a deficient number, since it is larger than the sum of its proper divisors (3384421).

2987663171 is an equidigital number, since it uses as much as digits as its factorization.

2987663171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384420.

The product of its digits is 762048, while the sum is 50.

The square root of 2987663171 is about 54659.5204058726. The cubic root of 2987663171 is about 1440.2698778834.

The spelling of 2987663171 in words is "two billion, nine hundred eighty-seven million, six hundred sixty-three thousand, one hundred seventy-one".