878845730923 has 2 divisors, whose sum is σ = 878845730924. Its totient is φ = 878845730922.

The previous prime is 878845730909. The next prime is 878845730947. The reversal of 878845730923 is 329037548878.

878845730923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 878845730923 - 2¹⁷ = 878845599851 is a prime.

It is not a weakly prime, because it can be changed into another prime (878845730993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439422865461 + 439422865462.

It is an arithmetic number, because the mean of its divisors is an integer number (439422865462).

Almost surely, 2^878845730923 is an apocalyptic number.

878845730923 is a deficient number, since it is larger than the sum of its proper divisors (1).

878845730923 is an equidigital number, since it uses as much as digits as its factorization.

878845730923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 878845730923 in words is "eight hundred seventy-eight billion, eight hundred forty-five million, seven hundred thirty thousand, nine hundred twenty-three".