878458387804 has 48 divisors (see below), whose sum is σ = 1698834586176. Its totient is φ = 395341337600.

The previous prime is 878458387739. The next prime is 878458387813. The reversal of 878458387804 is 408783854878.

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 15 ways as a sum of consecutive naturals, for example, 8363694 + ... + 8468074.

It is an arithmetic number, because the mean of its divisors is an integer number (35392387212).

Almost surely, 2^878458387804 is an apocalyptic number.

It is an amenable number.

878458387804 is a deficient number, since it is larger than the sum of its proper divisors (820376198372).

878458387804 is a wasteful number, since it uses less digits than its factorization.

878458387804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109806 (or 109804 counting only the distinct ones).

The product of its (nonzero) digits is 385351680, while the sum is 70.

The spelling of 878458387804 in words is "eight hundred seventy-eight billion, four hundred fifty-eight million, three hundred eighty-seven thousand, eight hundred four".