878186880 has 128 divisors (see below), whose sum is σ = 3110306400. Its totient is φ = 234178560.

The previous prime is 878186873. The next prime is 878186891. The reversal of 878186880 is 88681878.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8131 + ... + 42690.

Almost surely, 2^878186880 is an apocalyptic number.

878186880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878186880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555153200).

878186880 is an abundant number, since it is smaller than the sum of its proper divisors (2232119520).

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

878186880 is a wasteful number, since it uses less digits than its factorization.

878186880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50849 (or 50831 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 54.

The square root of 878186880 is about 29634.2180595338. The cubic root of 878186880 is about 957.6253810774.

The spelling of 878186880 in words is "eight hundred seventy-eight million, one hundred eighty-six thousand, eight hundred eighty".