878214542136 has 32 divisors (see below), whose sum is σ = 2207031321600. Its totient is φ = 291205518560.

The previous prime is 878214542123. The next prime is 878214542141. The reversal of 878214542136 is 631245412878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95786706 + ... + 95795873.

It is an arithmetic number, because the mean of its divisors is an integer number (68969728800).

Almost surely, 2^878214542136 is an apocalyptic number.

It is an amenable number.

878214542136 is an abundant number, since it is smaller than the sum of its proper divisors (1328816779464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878214542136 is a wasteful number, since it uses less digits than its factorization.

878214542136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191582779 (or 191582775 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 878214542136 in words is "eight hundred seventy-eight billion, two hundred fourteen million, five hundred forty-two thousand, one hundred thirty-six".