873725656 has 16 divisors (see below), whose sum is σ = 1709463600. Its totient is φ = 417868704.

The previous prime is 873725653. The next prime is 873725681. The reversal of 873725656 is 656527378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873725651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374071 + ... + 2374438.

It is an arithmetic number, because the mean of its divisors is an integer number (106841475).

Almost surely, 2^873725656 is an apocalyptic number.

It is an amenable number.

873725656 is a deficient number, since it is larger than the sum of its proper divisors (835737944).

873725656 is a wasteful number, since it uses less digits than its factorization.

873725656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748538 (or 4748534 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The square root of 873725656 is about 29558.8507219073. The cubic root of 873725656 is about 956.0010358117.

The spelling of 873725656 in words is "eight hundred seventy-three million, seven hundred twenty-five thousand, six hundred fifty-six".