6547487760 has 360 divisors, whose sum is σ = 24868569024. Its totient is φ = 1530977280.

The previous prime is 6547487753. The next prime is 6547487767. The reversal of 6547487760 is 677847456.

6547487760 is a `hidden beast` number, since 65 + 47 + 487 + 7 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (6547487753) and next prime (6547487767).

It is a tau number, because it is divible by the number of its divisors (360).

It is a junction number, because it is equal to n+sod(n) for n = 6547487697 and 6547487706.

It is not an unprimeable number, because it can be changed into a prime (6547487767) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6660229 + ... + 6661211.

Almost surely, 2^6547487760 is an apocalyptic number.

6547487760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6547487760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12434284512).

6547487760 is an abundant number, since it is smaller than the sum of its proper divisors (18321081264).

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

6547487760 is a wasteful number, since it uses less digits than its factorization.

6547487760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The square root of 6547487760 is about 80916.5481221239. The cubic root of 6547487760 is about 1870.7893909561.

The spelling of 6547487760 in words is "six billion, five hundred forty-seven million, four hundred eighty-seven thousand, seven hundred sixty".