8572090867 has 4 divisors (see below), whose sum is σ = 8781166296. Its totient is φ = 8363015440.

The previous prime is 8572090859. The next prime is 8572090873. The reversal of 8572090867 is 7680902758.

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

It is a cyclic number.

It is not a de Polignac number, because 8572090867 - 2³ = 8572090859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8572090067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104537653 + ... + 104537734.

It is an arithmetic number, because the mean of its divisors is an integer number (2195291574).

Almost surely, 2^8572090867 is an apocalyptic number.

8572090867 is a deficient number, since it is larger than the sum of its proper divisors (209075429).

8572090867 is a wasteful number, since it uses less digits than its factorization.

8572090867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209075428.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 8572090867 is about 92585.5867130516. The cubic root of 8572090867 is about 2046.5809250858.

The spelling of 8572090867 in words is "eight billion, five hundred seventy-two million, ninety thousand, eight hundred sixty-seven".