871451611 has 6 divisors (see below), whose sum is σ = 882084500. Its totient is φ = 860945388.

The previous prime is 871451573. The next prime is 871451629. The reversal of 871451611 is 116154178.

It is not a de Polignac number, because 871451611 - 2⁹ = 871451099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871451641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56361 + ... + 70138.

Almost surely, 2^871451611 is an apocalyptic number.

871451611 is a deficient number, since it is larger than the sum of its proper divisors (10632889).

871451611 is an equidigital number, since it uses as much as digits as its factorization.

871451611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126665 (or 126582 counting only the distinct ones).

The product of its digits is 6720, while the sum is 34.

The square root of 871451611 is about 29520.3592627190. The cubic root of 871451611 is about 955.1709208618.

The spelling of 871451611 in words is "eight hundred seventy-one million, four hundred fifty-one thousand, six hundred eleven".