8561801484 has 18 divisors (see below), whose sum is σ = 21642331620. Its totient is φ = 2853933816.

The previous prime is 8561801473. The next prime is 8561801491. The reversal of 8561801484 is 4841081658.

8561801484 is a `hidden beast` number, since 8 + 561 + 8 + 0 + 1 + 4 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118913874 + ... + 118913945.

Almost surely, 2^8561801484 is an apocalyptic number.

It is an amenable number.

8561801484 is an abundant number, since it is smaller than the sum of its proper divisors (13080530136).

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

8561801484 is a wasteful number, since it uses less digits than its factorization.

8561801484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237827829 (or 237827824 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 8561801484 is about 92530.0031557332. The cubic root of 8561801484 is about 2045.7617361425.

The spelling of 8561801484 in words is "eight billion, five hundred sixty-one million, eight hundred one thousand, four hundred eighty-four".