878677047 has 12 divisors (see below), whose sum is σ = 1274513760. Its totient is φ = 583332288.

The previous prime is 878676961. The next prime is 878677117. The reversal of 878677047 is 740776878.

It is a happy number.

It is not a de Polignac number, because 878677047 - 2⁷ = 878676919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 878676984 and 878677002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878677747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202098 + ... + 206399.

It is an arithmetic number, because the mean of its divisors is an integer number (106209480).

Almost surely, 2^878677047 is an apocalyptic number.

878677047 is a deficient number, since it is larger than the sum of its proper divisors (395836713).

878677047 is a wasteful number, since it uses less digits than its factorization.

878677047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408742 (or 408739 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 54.

The square root of 878677047 is about 29642.4871932164. The cubic root of 878677047 is about 957.8035166829.

The spelling of 878677047 in words is "eight hundred seventy-eight million, six hundred seventy-seven thousand, forty-seven".