878064923 has 2 divisors, whose sum is σ = 878064924. Its totient is φ = 878064922.

The previous prime is 878064899. The next prime is 878064931. The reversal of 878064923 is 329460878.

878064923 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 is a cyclic number.

It is not a de Polignac number, because 878064923 - 2⁸ = 878064667 is a prime.

It is not a weakly prime, because it can be changed into another prime (878064973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439032461 + 439032462.

It is an arithmetic number, because the mean of its divisors is an integer number (439032462).

Almost surely, 2^878064923 is an apocalyptic number.

878064923 is a deficient number, since it is larger than the sum of its proper divisors (1).

878064923 is an equidigital number, since it uses as much as digits as its factorization.

878064923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 878064923 is about 29632.1602823689. The cubic root of 878064923 is about 957.5810493875.

It can be divided in two parts, 87806 and 4923, that added together give a palindrome (92729).

The spelling of 878064923 in words is "eight hundred seventy-eight million, sixty-four thousand, nine hundred twenty-three".