865769472 has 240 divisors, whose sum is σ = 2747024280. Its totient is φ = 270729216.

The previous prime is 865769467. The next prime is 865769507. The reversal of 865769472 is 274967568.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2819943 + ... + 2820249.

Almost surely, 2^865769472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 865769472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373512140).

865769472 is an abundant number, since it is smaller than the sum of its proper divisors (1881254808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

865769472 is a wasteful number, since it uses less digits than its factorization.

865769472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 329 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 865769472 is about 29423.9608482611. The cubic root of 865769472 is about 953.0903872866.

The spelling of 865769472 in words is "eight hundred sixty-five million, seven hundred sixty-nine thousand, four hundred seventy-two".