8563539398 has 16 divisors (see below), whose sum is σ = 13305600000. Its totient is φ = 4128724992.

The previous prime is 8563539373. The next prime is 8563539433. The reversal of 8563539398 is 8939353658.

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, 51398 + ... + 140601.

It is an arithmetic number, because the mean of its divisors is an integer number (831600000).

Almost surely, 2^8563539398 is an apocalyptic number.

8563539398 is a deficient number, since it is larger than the sum of its proper divisors (4742060602).

8563539398 is a wasteful number, since it uses less digits than its factorization.

8563539398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192799.

The product of its digits is 20995200, while the sum is 59.

The square root of 8563539398 is about 92539.3937628727. The cubic root of 8563539398 is about 2045.9001461657.

The spelling of 8563539398 in words is "eight billion, five hundred sixty-three million, five hundred thirty-nine thousand, three hundred ninety-eight".