871027972 has 6 divisors (see below), whose sum is σ = 1524298958. Its totient is φ = 435513984.

The previous prime is 871027951. The next prime is 871027973. The reversal of 871027972 is 279720178.

It is a happy number.

871027972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 576768256 + 294259716 = 24016^2 + 17154^2 .

It is not an unprimeable number, because it can be changed into a prime (871027973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108878493 + ... + 108878500.

Almost surely, 2^871027972 is an apocalyptic number.

It is an amenable number.

871027972 is a deficient number, since it is larger than the sum of its proper divisors (653270986).

871027972 is a wasteful number, since it uses less digits than its factorization.

871027972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217756997 (or 217756995 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 871027972 is about 29513.1830204741. The cubic root of 871027972 is about 955.0161166108.

The spelling of 871027972 in words is "eight hundred seventy-one million, twenty-seven thousand, nine hundred seventy-two".