878049145 has 16 divisors (see below), whose sum is σ = 1080698112. Its totient is φ = 684590400.

The previous prime is 878049143. The next prime is 878049157. The reversal of 878049145 is 541940878.

It is not a de Polignac number, because 878049145 - 2¹ = 878049143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 878049095 and 878049104.

It is not an unprimeable number, because it can be changed into a prime (878049143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29044 + ... + 50986.

It is an arithmetic number, because the mean of its divisors is an integer number (67543632).

Almost surely, 2^878049145 is an apocalyptic number.

It is an amenable number.

878049145 is a deficient number, since it is larger than the sum of its proper divisors (202648967).

878049145 is a wasteful number, since it uses less digits than its factorization.

878049145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22152.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 878049145 is about 29631.8940501616. The cubic root of 878049145 is about 957.5753137432.

The spelling of 878049145 in words is "eight hundred seventy-eight million, forty-nine thousand, one hundred forty-five".