8572040291 has 2 divisors, whose sum is σ = 8572040292. Its totient is φ = 8572040290.

The previous prime is 8572040287. The next prime is 8572040293. The reversal of 8572040291 is 1920402758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8572040291 - 2² = 8572040287 is a prime.

Together with 8572040293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8572040293) 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 as a sum of consecutive naturals, namely, 4286020145 + 4286020146.

It is an arithmetic number, because the mean of its divisors is an integer number (4286020146).

Almost surely, 2^8572040291 is an apocalyptic number.

8572040291 is a deficient number, since it is larger than the sum of its proper divisors (1).

8572040291 is an equidigital number, since it uses as much as digits as its factorization.

8572040291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 8572040291 is about 92585.3135815827. The cubic root of 8572040291 is about 2046.5769000825.

The spelling of 8572040291 in words is "eight billion, five hundred seventy-two million, forty thousand, two hundred ninety-one".