8442004671 has 24 divisors (see below), whose sum is σ = 12437058816. Its totient is φ = 5516047680.

The previous prime is 8442004667. The next prime is 8442004679. The reversal of 8442004671 is 1764002448.

It is not a de Polignac number, because 8442004671 - 2² = 8442004667 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442004679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474466 + ... + 491936.

It is an arithmetic number, because the mean of its divisors is an integer number (518210784).

Almost surely, 2^8442004671 is an apocalyptic number.

8442004671 is a deficient number, since it is larger than the sum of its proper divisors (3995054145).

8442004671 is a wasteful number, since it uses less digits than its factorization.

8442004671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18543 (or 18540 counting only the distinct ones).

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

The square root of 8442004671 is about 91880.3824056039. The cubic root of 8442004671 is about 2036.1754460142.

The spelling of 8442004671 in words is "eight billion, four hundred forty-two million, four thousand, six hundred seventy-one".