865971472 has 10 divisors (see below), whose sum is σ = 1677819758. Its totient is φ = 432985728.

The previous prime is 865971467. The next prime is 865971503. The reversal of 865971472 is 274179568.

865971472 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., 445885456 + 420086016 = 21116^2 + 20496^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27061593 + ... + 27061624.

Almost surely, 2^865971472 is an apocalyptic number.

It is an amenable number.

865971472 is a deficient number, since it is larger than the sum of its proper divisors (811848286).

865971472 is a wasteful number, since it uses less digits than its factorization.

865971472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54123225 (or 54123219 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 865971472 is about 29427.3932246810. The cubic root of 865971472 is about 953.1645060497.

The spelling of 865971472 in words is "eight hundred sixty-five million, nine hundred seventy-one thousand, four hundred seventy-two".