4957987171 has 4 divisors (see below), whose sum is σ = 4979638000. Its totient is φ = 4936336344.

The previous prime is 4957987147. The next prime is 4957987207. The reversal of 4957987171 is 1717897594.

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 4957987171 - 2⁷ = 4957987043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4957985171) 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, 10825071 + ... + 10825528.

It is an arithmetic number, because the mean of its divisors is an integer number (1244909500).

Almost surely, 2^4957987171 is an apocalyptic number.

4957987171 is a deficient number, since it is larger than the sum of its proper divisors (21650829).

4957987171 is a wasteful number, since it uses less digits than its factorization.

4957987171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21650828.

The product of its digits is 4445280, while the sum is 58.

The square root of 4957987171 is about 70412.9758709288. The cubic root of 4957987171 is about 1705.1730741654.

The spelling of 4957987171 in words is "four billion, nine hundred fifty-seven million, nine hundred eighty-seven thousand, one hundred seventy-one".