878750863 has 4 divisors (see below), whose sum is σ = 878818048. Its totient is φ = 878683680.

The previous prime is 878750849. The next prime is 878750867. The reversal of 878750863 is 368057878.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 878750863 - 2¹³ = 878742671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 878750863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878750867) 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, 6906 + ... + 42487.

It is an arithmetic number, because the mean of its divisors is an integer number (219704512).

Almost surely, 2^878750863 is an apocalyptic number.

878750863 is a deficient number, since it is larger than the sum of its proper divisors (67185).

878750863 is a wasteful number, since it uses less digits than its factorization.

878750863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67184.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 878750863 is about 29643.7322717636. The cubic root of 878750863 is about 957.8303370203.

The spelling of 878750863 in words is "eight hundred seventy-eight million, seven hundred fifty thousand, eight hundred sixty-three".