864755472 has 160 divisors (see below), whose sum is σ = 2685542400. Its totient is φ = 234432000.

The previous prime is 864755467. The next prime is 864755483. The reversal of 864755472 is 274557468.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1151097 + ... + 1151847.

It is an arithmetic number, because the mean of its divisors is an integer number (16784640).

Almost surely, 2^864755472 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 864755472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342771200).

864755472 is an abundant number, since it is smaller than the sum of its proper divisors (1820786928).

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

864755472 is a wasteful number, since it uses less digits than its factorization.

864755472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 935 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 48.

The square root of 864755472 is about 29406.7249451550. The cubic root of 864755472 is about 952.7181514782.

The spelling of 864755472 in words is "eight hundred sixty-four million, seven hundred fifty-five thousand, four hundred seventy-two".