878049144 has 48 divisors (see below), whose sum is σ = 2717772720. Its totient is φ = 250871040.

The previous prime is 878049143. The next prime is 878049157. The reversal of 878049144 is 441940878.

878049144 is a `hidden beast` number, since 87 + 80 + 491 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 878049144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878049143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 870577 + ... + 871584.

It is an arithmetic number, because the mean of its divisors is an integer number (56620265).

Almost surely, 2^878049144 is an apocalyptic number.

878049144 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

878049144 is an abundant number, since it is smaller than the sum of its proper divisors (1839723576).

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

878049144 is a wasteful number, since it uses less digits than its factorization.

878049144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742180 (or 1742173 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 878049144 is about 29631.8940332878. The cubic root of 878049144 is about 957.5753133796.

The spelling of 878049144 in words is "eight hundred seventy-eight million, forty-nine thousand, one hundred forty-four".