8539842068 has 24 divisors (see below), whose sum is σ = 15734517120. Its totient is φ = 4044358080.

The previous prime is 8539842041. The next prime is 8539842079. The reversal of 8539842068 is 8602489358.

It is a congruent number.

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, 523280 + ... + 539352.

It is an arithmetic number, because the mean of its divisors is an integer number (655604880).

Almost surely, 2^8539842068 is an apocalyptic number.

It is an amenable number.

8539842068 is a deficient number, since it is larger than the sum of its proper divisors (7194675052).

8539842068 is a wasteful number, since it uses less digits than its factorization.

8539842068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23087 (or 23085 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The square root of 8539842068 is about 92411.2659149305. The cubic root of 8539842068 is about 2044.0112402572.

The spelling of 8539842068 in words is "eight billion, five hundred thirty-nine million, eight hundred forty-two thousand, sixty-eight".