878067388 has 12 divisors (see below), whose sum is σ = 1676310552. Its totient is φ = 399121520.

The previous prime is 878067373. The next prime is 878067397. The reversal of 878067388 is 883760878.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9977995 + ... + 9978082.

It is an arithmetic number, because the mean of its divisors is an integer number (139692546).

Almost surely, 2^878067388 is an apocalyptic number.

It is an amenable number.

878067388 is a deficient number, since it is larger than the sum of its proper divisors (798243164).

878067388 is a wasteful number, since it uses less digits than its factorization.

878067388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19956092 (or 19956090 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 55.

The square root of 878067388 is about 29632.2018756622. The cubic root of 878067388 is about 957.5819454621.

The spelling of 878067388 in words is "eight hundred seventy-eight million, sixty-seven thousand, three hundred eighty-eight".