7871469144 has 192 divisors, whose sum is σ = 24923136000. Its totient is φ = 2027773440.

The previous prime is 7871469143. The next prime is 7871469157. The reversal of 7871469144 is 4419641787.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7871469143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2580132 + ... + 2583180.

It is an arithmetic number, because the mean of its divisors is an integer number (129808000).

Almost surely, 2^7871469144 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 7871469144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12461568000).

7871469144 is an abundant number, since it is smaller than the sum of its proper divisors (17051666856).

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

7871469144 is a wasteful number, since it uses less digits than its factorization.

7871469144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214 (or 3199 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 7871469144 is about 88721.3003962408. The cubic root of 7871469144 is about 1989.2312160478.

The spelling of 7871469144 in words is "seven billion, eight hundred seventy-one million, four hundred sixty-nine thousand, one hundred forty-four".