878026287 has 16 divisors (see below), whose sum is σ = 1185464160. Its totient is φ = 578015232.

The previous prime is 878026277. The next prime is 878026297. The reversal of 878026287 is 782620878.

It is an interprime number because it is at equal distance from previous prime (878026277) and next prime (878026297).

It is not a de Polignac number, because 878026287 - 2¹⁴ = 878009903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878026277) 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 15 ways as a sum of consecutive naturals, for example, 73789 + ... + 84857.

It is an arithmetic number, because the mean of its divisors is an integer number (74091510).

Almost surely, 2^878026287 is an apocalyptic number.

878026287 is a deficient number, since it is larger than the sum of its proper divisors (307437873).

878026287 is a wasteful number, since it uses less digits than its factorization.

878026287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11402.

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 878026287 is about 29631.5083483781. The cubic root of 878026287 is about 957.5670042438.

The spelling of 878026287 in words is "eight hundred seventy-eight million, twenty-six thousand, two hundred eighty-seven".