878049143 has 2 divisors, whose sum is σ = 878049144. Its totient is φ = 878049142.

The previous prime is 878049131. The next prime is 878049157. The reversal of 878049143 is 341940878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 878049143 - 2⁶ = 878049079 is a prime.

It is a Sophie Germain prime.

It is equal to p_44944469 and since 878049143 and 44944469 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 878049094 and 878049103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878049113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439024571 + 439024572.

It is an arithmetic number, because the mean of its divisors is an integer number (439024572).

Almost surely, 2^878049143 is an apocalyptic number.

878049143 is a deficient number, since it is larger than the sum of its proper divisors (1).

878049143 is an equidigital number, since it uses as much as digits as its factorization.

878049143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 878049143 is about 29631.8940164141. The cubic root of 878049143 is about 957.5753130161.

The spelling of 878049143 in words is "eight hundred seventy-eight million, forty-nine thousand, one hundred forty-three".