6547147085 has 8 divisors (see below), whose sum is σ = 7859932416. Its totient is φ = 5235480400.

The previous prime is 6547147051. The next prime is 6547147099. The reversal of 6547147085 is 5807417456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6547147085 - 2⁸ = 6547146829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266729 + ... + 290238.

It is an arithmetic number, because the mean of its divisors is an integer number (982491552).

Almost surely, 2^6547147085 is an apocalyptic number.

It is an amenable number.

6547147085 is a deficient number, since it is larger than the sum of its proper divisors (1312785331).

6547147085 is a wasteful number, since it uses less digits than its factorization.

6547147085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559323.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 6547147085 is about 80914.4429938191. The cubic root of 6547147085 is about 1870.7569437920.

The spelling of 6547147085 in words is "six billion, five hundred forty-seven million, one hundred forty-seven thousand, eighty-five".