655586872 has 32 divisors (see below), whose sum is σ = 1251532800. Its totient is φ = 321890400.

The previous prime is 655586857. The next prime is 655586873. The reversal of 655586872 is 278685556.

655586872 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 not an unprimeable number, because it can be changed into a prime (655586873) 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, 117997 + ... + 123427.

It is an arithmetic number, because the mean of its divisors is an integer number (39110400).

Almost surely, 2^655586872 is an apocalyptic number.

It is an amenable number.

655586872 is a deficient number, since it is larger than the sum of its proper divisors (595945928).

655586872 is a wasteful number, since it uses less digits than its factorization.

655586872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707 (or 5703 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 52.

The square root of 655586872 is about 25604.4307103282. The cubic root of 655586872 is about 868.7138577376.

The spelling of 655586872 in words is "six hundred fifty-five million, five hundred eighty-six thousand, eight hundred seventy-two".