878214473 has 2 divisors, whose sum is σ = 878214474. Its totient is φ = 878214472.

The previous prime is 878214443. The next prime is 878214479. The reversal of 878214473 is 374412878.

878214473 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., 625150009 + 253064464 = 25003^2 + 15908^2 .

It is a cyclic number.

It is not a de Polignac number, because 878214473 - 2⁸ = 878214217 is a prime.

It is not a weakly prime, because it can be changed into another prime (878214479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439107236 + 439107237.

It is an arithmetic number, because the mean of its divisors is an integer number (439107237).

Almost surely, 2^878214473 is an apocalyptic number.

It is an amenable number.

878214473 is a deficient number, since it is larger than the sum of its proper divisors (1).

878214473 is an equidigital number, since it uses as much as digits as its factorization.

878214473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 44.

The square root of 878214473 is about 29634.6836156555. The cubic root of 878214473 is about 957.6354106360.

The spelling of 878214473 in words is "eight hundred seventy-eight million, two hundred fourteen thousand, four hundred seventy-three".