878694540 has 24 divisors (see below), whose sum is σ = 2460344880. Its totient is φ = 234318528.

The previous prime is 878694529. The next prime is 878694547. The reversal of 878694540 is 45496878.

878694540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (878694547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7322395 + ... + 7322514.

It is an arithmetic number, because the mean of its divisors is an integer number (102514370).

Almost surely, 2^878694540 is an apocalyptic number.

It is an amenable number.

878694540 is an abundant number, since it is smaller than the sum of its proper divisors (1581650340).

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

878694540 is a wasteful number, since it uses less digits than its factorization.

878694540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14644921 (or 14644919 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 878694540 is about 29642.7822580810. The cubic root of 878694540 is about 957.8098727329.

The spelling of 878694540 in words is "eight hundred seventy-eight million, six hundred ninety-four thousand, five hundred forty".