878243830 has 16 divisors (see below), whose sum is σ = 1635351120. Its totient is φ = 339183712.

The previous prime is 878243819. The next prime is 878243921. The reversal of 878243830 is 38342878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513924 + ... + 1514503.

It is an arithmetic number, because the mean of its divisors is an integer number (102209445).

Almost surely, 2^878243830 is an apocalyptic number.

878243830 is a deficient number, since it is larger than the sum of its proper divisors (757107290).

878243830 is a wasteful number, since it uses less digits than its factorization.

878243830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028463.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 878243830 is about 29635.1789264043. The cubic root of 878243830 is about 957.6460811462.

The spelling of 878243830 in words is "eight hundred seventy-eight million, two hundred forty-three thousand, eight hundred thirty".