872857288 has 8 divisors (see below), whose sum is σ = 1636607430. Its totient is φ = 436428640.

The previous prime is 872857273. The next prime is 872857289. The reversal of 872857288 is 882758278.

It can be written as a sum of positive squares in only one way, i.e., 694955044 + 177902244 = 26362^2 + 13338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (872857289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54553573 + ... + 54553588.

Almost surely, 2^872857288 is an apocalyptic number.

It is an amenable number.

872857288 is a deficient number, since it is larger than the sum of its proper divisors (763750142).

872857288 is a wasteful number, since it uses less digits than its factorization.

872857288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109107167 (or 109107163 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 55.

The square root of 872857288 is about 29544.1582719833. The cubic root of 872857288 is about 955.6842178735.

The spelling of 872857288 in words is "eight hundred seventy-two million, eight hundred fifty-seven thousand, two hundred eighty-eight".