8572872293 has 4 divisors (see below), whose sum is σ = 8575155468. Its totient is φ = 8570589120.

The previous prime is 8572872241. The next prime is 8572872299. The reversal of 8572872293 is 3922782758.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6446002369 + 2126869924 = 80287^2 + 46118^2 .

It is a cyclic number.

It is not a de Polignac number, because 8572872293 - 2¹⁸ = 8572610149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8572872299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135946 + ... + 1143467.

It is an arithmetic number, because the mean of its divisors is an integer number (2143788867).

Almost surely, 2^8572872293 is an apocalyptic number.

It is an amenable number.

8572872293 is a deficient number, since it is larger than the sum of its proper divisors (2283175).

8572872293 is a wasteful number, since it uses less digits than its factorization.

8572872293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283174.

The product of its digits is 3386880, while the sum is 53.

The square root of 8572872293 is about 92589.8066365839. The cubic root of 8572872293 is about 2046.6431115067.

The spelling of 8572872293 in words is "eight billion, five hundred seventy-two million, eight hundred seventy-two thousand, two hundred ninety-three".