8728116842 has 16 divisors (see below), whose sum is σ = 13232252040. Its totient is φ = 4317401088.

The previous prime is 8728116809. The next prime is 8728116869. The reversal of 8728116842 is 2486118278.

It can be written as a sum of positive squares in 4 ways, for example, as 8637657721 + 90459121 = 92939^2 + 9511^2 .

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, 607688 + ... + 621884.

Almost surely, 2^8728116842 is an apocalyptic number.

8728116842 is a deficient number, since it is larger than the sum of its proper divisors (4504135198).

8728116842 is a wasteful number, since it uses less digits than its factorization.

8728116842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17465.

The product of its digits is 344064, while the sum is 47.

The square root of 8728116842 is about 93424.3910443092. The cubic root of 8728116842 is about 2058.9233732251.

The spelling of 8728116842 in words is "eight billion, seven hundred twenty-eight million, one hundred sixteen thousand, eight hundred forty-two".