840088793 has 2 divisors, whose sum is σ = 840088794. Its totient is φ = 840088792.

The previous prime is 840088771. The next prime is 840088801. The reversal of 840088793 is 397880048.

840088793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 687121369 + 152967424 = 26213^2 + 12368^2 .

It is a cyclic number.

It is not a de Polignac number, because 840088793 - 2¹² = 840084697 is a prime.

It is not a weakly prime, because it can be changed into another prime (840088393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420044396 + 420044397.

It is an arithmetic number, because the mean of its divisors is an integer number (420044397).

Almost surely, 2^840088793 is an apocalyptic number.

It is an amenable number.

840088793 is a deficient number, since it is larger than the sum of its proper divisors (1).

840088793 is an equidigital number, since it uses as much as digits as its factorization.

840088793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 840088793 is about 28984.2852766805. The cubic root of 840088793 is about 943.5720407810.

The spelling of 840088793 in words is "eight hundred forty million, eighty-eight thousand, seven hundred ninety-three".