8716442004 has 18 divisors (see below), whose sum is σ = 22033228490. Its totient is φ = 2905480656.

The previous prime is 8716441999. The next prime is 8716442029. The reversal of 8716442004 is 4002446178.

8716442004 is a `hidden beast` number, since 8 + 7 + 1 + 644 + 2 + 0 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8463632004 + 252810000 = 91998^2 + 15900^2 .

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

It is a super-2 number, since 2×8716442004² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 242123389 = 8716442004 / (8 + 7 + 1 + 6 + 4 + 4 + 2 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 8716442004.

It is a congruent number.

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, 121061659 + ... + 121061730.

Almost surely, 2^8716442004 is an apocalyptic number.

It is an amenable number.

8716442004 is an abundant number, since it is smaller than the sum of its proper divisors (13316786486).

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

8716442004 is a wasteful number, since it uses less digits than its factorization.

8716442004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242123399 (or 242123394 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 8716442004 is about 93361.8873202550. The cubic root of 8716442004 is about 2058.0049497398.

The spelling of 8716442004 in words is "eight billion, seven hundred sixteen million, four hundred forty-two thousand, four".