2871191004 has 96 divisors (see below), whose sum is σ = 7708296960. Its totient is φ = 822643200.

The previous prime is 2871190963. The next prime is 2871191041. The reversal of 2871191004 is 4001911782.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1937944 + ... + 1939424.

It is an arithmetic number, because the mean of its divisors is an integer number (80294760).

Almost surely, 2^2871191004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2871191004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3854148480).

2871191004 is an abundant number, since it is smaller than the sum of its proper divisors (4837105956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2871191004 is a wasteful number, since it uses less digits than its factorization.

2871191004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 2871191004 is about 53583.4956306510. The cubic root of 2871191004 is about 1421.3052542588.

The spelling of 2871191004 in words is "two billion, eight hundred seventy-one million, one hundred ninety-one thousand, four".