873638780 has 24 divisors (see below), whose sum is σ = 2096733408. Its totient is φ = 299533248.

The previous prime is 873638749. The next prime is 873638809. The reversal of 873638780 is 87836378.

873638780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3119999 + ... + 3120278.

It is an arithmetic number, because the mean of its divisors is an integer number (87363892).

Almost surely, 2^873638780 is an apocalyptic number.

It is an amenable number.

873638780 is an abundant number, since it is smaller than the sum of its proper divisors (1223094628).

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

873638780 is a wasteful number, since it uses less digits than its factorization.

873638780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240293 (or 6240291 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 873638780 is about 29557.3811424490. The cubic root of 873638780 is about 955.9693491687.

The spelling of 873638780 in words is "eight hundred seventy-three million, six hundred thirty-eight thousand, seven hundred eighty".