8011257893 has 2 divisors, whose sum is σ = 8011257894. Its totient is φ = 8011257892.

The previous prime is 8011257887. The next prime is 8011257901. The reversal of 8011257893 is 3987521108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5989676449 + 2021581444 = 77393^2 + 44962^2 .

It is a cyclic number.

It is not a de Polignac number, because 8011257893 - 2²⁴ = 7994480677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8011251893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4005628946 + 4005628947.

It is an arithmetic number, because the mean of its divisors is an integer number (4005628947).

Almost surely, 2^8011257893 is an apocalyptic number.

It is an amenable number.

8011257893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8011257893 is an equidigital number, since it uses as much as digits as its factorization.

8011257893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 8011257893 is about 89505.6305100411. The cubic root of 8011257893 is about 2000.9377180237.

The spelling of 8011257893 in words is "eight billion, eleven million, two hundred fifty-seven thousand, eight hundred ninety-three".