878389274 has 32 divisors (see below), whose sum is σ = 1573758720. Its totient is φ = 359517312.

The previous prime is 878389273. The next prime is 878389279. The reversal of 878389274 is 472983878.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (878389273) 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 15 ways as a sum of consecutive naturals, for example, 247142 + ... + 250670.

It is an arithmetic number, because the mean of its divisors is an integer number (49179960).

Almost surely, 2^878389274 is an apocalyptic number.

878389274 is a deficient number, since it is larger than the sum of its proper divisors (695369446).

878389274 is a wasteful number, since it uses less digits than its factorization.

878389274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334.

The product of its digits is 5419008, while the sum is 56.

The square root of 878389274 is about 29637.6327327268. The cubic root of 878389274 is about 957.6989427714.

The spelling of 878389274 in words is "eight hundred seventy-eight million, three hundred eighty-nine thousand, two hundred seventy-four".