865537952 has 24 divisors (see below), whose sum is σ = 1706443200. Its totient is φ = 432155584.

The previous prime is 865537931. The next prime is 865537969. The reversal of 865537952 is 259735568.

865537952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 865537952.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4199 + ... + 41817.

It is an arithmetic number, because the mean of its divisors is an integer number (71101800).

Almost surely, 2^865537952 is an apocalyptic number.

It is an amenable number.

865537952 is a deficient number, since it is larger than the sum of its proper divisors (840905248).

865537952 is a wasteful number, since it uses less digits than its factorization.

865537952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38348 (or 38340 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 50.

The square root of 865537952 is about 29420.0263766027. The cubic root of 865537952 is about 953.0054227298.

The spelling of 865537952 in words is "eight hundred sixty-five million, five hundred thirty-seven thousand, nine hundred fifty-two".