8572284993 has 8 divisors (see below), whose sum is σ = 11430553248. Its totient is φ = 5714436704.

The previous prime is 8572284979. The next prime is 8572285027. The reversal of 8572284993 is 3994822758.

It is a happy number.

8572284993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8572284993 - 2²⁸ = 8303849537 is a prime.

It is a super-3 number, since 3×8572284993³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8572284913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53796 + ... + 141557.

It is an arithmetic number, because the mean of its divisors is an integer number (1428819156).

Almost surely, 2^8572284993 is an apocalyptic number.

It is an amenable number.

8572284993 is a deficient number, since it is larger than the sum of its proper divisors (2858268255).

8572284993 is a wasteful number, since it uses less digits than its factorization.

8572284993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209983.

The product of its digits is 8709120, while the sum is 57.

The square root of 8572284993 is about 92586.6350668389. The cubic root of 8572284993 is about 2046.5963741197.

The spelling of 8572284993 in words is "eight billion, five hundred seventy-two million, two hundred eighty-four thousand, nine hundred ninety-three".