8140285077893 has 2 divisors, whose sum is σ = 8140285077894. Its totient is φ = 8140285077892.

The previous prime is 8140285077853. The next prime is 8140285077929. The reversal of 8140285077893 is 3987705820418.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7554483125764 + 585801952129 = 2748542^2 + 765377^2 .

It is a cyclic number.

It is not a de Polignac number, because 8140285077893 - 2⁶ = 8140285077829 is a prime.

It is a super-2 number, since 2×8140285077893² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8140285077823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070142538946 + 4070142538947.

It is an arithmetic number, because the mean of its divisors is an integer number (4070142538947).

Almost surely, 2^{8140285077893} is an apocalyptic number.

It is an amenable number.

8140285077893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140285077893 is an equidigital number, since it uses as much as digits as its factorization.

8140285077893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 8140285077893 in words is "eight trillion, one hundred forty billion, two hundred eighty-five million, seventy-seven thousand, eight hundred ninety-three".