878555136 has 208 divisors, whose sum is σ = 2547728640. Its totient is φ = 268369920.

The previous prime is 878555131. The next prime is 878555143. The reversal of 878555136 is 631555878.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (878555131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12373981 + ... + 12374051.

Almost surely, 2^878555136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878555136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273864320).

878555136 is an abundant number, since it is smaller than the sum of its proper divisors (1669173504).

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

878555136 is a wasteful number, since it uses less digits than its factorization.

878555136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 148 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 48.

The square root of 878555136 is about 29640.4307661005. The cubic root of 878555136 is about 957.7592181982.

The spelling of 878555136 in words is "eight hundred seventy-eight million, five hundred fifty-five thousand, one hundred thirty-six".