8573279842 has 16 divisors (see below), whose sum is σ = 13226677632. Its totient is φ = 4164724080.

The previous prime is 8573279833. The next prime is 8573279903. The reversal of 8573279842 is 2489723758.

It is a happy number.

It is a super-2 number, since 2×8573279842² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32698 + ... + 134965.

It is an arithmetic number, because the mean of its divisors is an integer number (826667352).

Almost surely, 2^8573279842 is an apocalyptic number.

8573279842 is a deficient number, since it is larger than the sum of its proper divisors (4653397790).

8573279842 is a wasteful number, since it uses less digits than its factorization.

8573279842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168393.

The product of its digits is 6773760, while the sum is 55.

The square root of 8573279842 is about 92592.0074412473. The cubic root of 8573279842 is about 2046.6755430383.

The spelling of 8573279842 in words is "eight billion, five hundred seventy-three million, two hundred seventy-nine thousand, eight hundred forty-two".