7187143680 has 264 divisors, whose sum is σ = 26217157200. Its totient is φ = 1815478272.

The previous prime is 7187143673. The next prime is 7187143681. The reversal of 7187143680 is 863417817.

7187143680 is a `hidden beast` number, since 71 + 8 + 71 + 436 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7187143681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871416 + ... + 879624.

Almost surely, 2^7187143680 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 7187143680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13108578600).

7187143680 is an abundant number, since it is smaller than the sum of its proper divisors (19030013520).

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

7187143680 is a wasteful number, since it uses less digits than its factorization.

7187143680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259 (or 8238 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 7187143680 is about 84777.0233023076. The cubic root of 7187143680 is about 1929.8287658940.

The spelling of 7187143680 in words is "seven billion, one hundred eighty-seven million, one hundred forty-three thousand, six hundred eighty".