8541898512 has 80 divisors (see below), whose sum is σ = 25284155520. Its totient is φ = 2434231296.

The previous prime is 8541898507. The next prime is 8541898559. The reversal of 8541898512 is 2158981458.

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, 98028 + ... + 163380.

It is an arithmetic number, because the mean of its divisors is an integer number (316051944).

Almost surely, 2^8541898512 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 8541898512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12642077760).

8541898512 is an abundant number, since it is smaller than the sum of its proper divisors (16742257008).

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

8541898512 is a wasteful number, since it uses less digits than its factorization.

8541898512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65760 (or 65754 counting only the distinct ones).

The product of its digits is 921600, while the sum is 51.

The square root of 8541898512 is about 92422.3918322827. The cubic root of 8541898512 is about 2044.1752970497.

The spelling of 8541898512 in words is "eight billion, five hundred forty-one million, eight hundred ninety-eight thousand, five hundred twelve".