878975143 has 8 divisors (see below), whose sum is σ = 884244816. Its totient is φ = 873720000.

The previous prime is 878975137. The next prime is 878975159. The reversal of 878975143 is 341579878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 878975143 - 2²⁵ = 845420711 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 (878975443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132555 + ... + 139027.

It is an arithmetic number, because the mean of its divisors is an integer number (110530602).

Almost surely, 2^878975143 is an apocalyptic number.

878975143 is a deficient number, since it is larger than the sum of its proper divisors (5269673).

878975143 is a wasteful number, since it uses less digits than its factorization.

878975143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265.

The product of its digits is 1693440, while the sum is 52.

The square root of 878975143 is about 29647.5149548828. The cubic root of 878975143 is about 957.9118177993.

The spelling of 878975143 in words is "eight hundred seventy-eight million, nine hundred seventy-five thousand, one hundred forty-three".