878001349 has 4 divisors (see below), whose sum is σ = 878494464. Its totient is φ = 877508236.

The previous prime is 878001323. The next prime is 878001359. The reversal of 878001349 is 943100878.

878001349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 878001349 - 2⁷ = 878001221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878001359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243877 + ... + 247450.

It is an arithmetic number, because the mean of its divisors is an integer number (219623616).

Almost surely, 2^878001349 is an apocalyptic number.

It is an amenable number.

878001349 is a deficient number, since it is larger than the sum of its proper divisors (493115).

878001349 is a wasteful number, since it uses less digits than its factorization.

878001349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493114.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 878001349 is about 29631.0875433218. The cubic root of 878001349 is about 957.5579384438.

The spelling of 878001349 in words is "eight hundred seventy-eight million, one thousand, three hundred forty-nine".