8541887616 has 64 divisors (see below), whose sum is σ = 25210442400. Its totient is φ = 2847294720.

The previous prime is 8541887603. The next prime is 8541887639. The reversal of 8541887616 is 6167881458.

It is a happy number.

8541887616 is a `hidden beast` number, since 8 + 5 + 4 + 18 + 8 + 7 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×8541887616⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1232350 + ... + 1239261.

Almost surely, 2^8541887616 is an apocalyptic number.

It is an amenable number.

8541887616 is an abundant number, since it is smaller than the sum of its proper divisors (16668554784).

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

8541887616 is a wasteful number, since it uses less digits than its factorization.

8541887616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471634 (or 2471616 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The square root of 8541887616 is about 92422.3328855099. The cubic root of 8541887616 is about 2044.1744278697.

The spelling of 8541887616 in words is "eight billion, five hundred forty-one million, eight hundred eighty-seven thousand, six hundred sixteen".