8461547000 has 64 divisors (see below), whose sum is σ = 19868284800. Its totient is φ = 3372950400.

The previous prime is 8461546997. The next prime is 8461547041. The reversal of 8461547000 is 7451648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278561 + ... + 307439.

It is an arithmetic number, because the mean of its divisors is an integer number (310441950).

Almost surely, 2^8461547000 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 8461547000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9934142400).

8461547000 is an abundant number, since it is smaller than the sum of its proper divisors (11406737800).

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

8461547000 is a wasteful number, since it uses less digits than its factorization.

8461547000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29193 (or 29179 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 8461547000 is about 91986.6675121998. The cubic root of 8461547000 is about 2037.7454106145.

Adding to 8461547000 its reverse (7451648), we get a palindrome (8468998648).

The spelling of 8461547000 in words is "eight billion, four hundred sixty-one million, five hundred forty-seven thousand".