868832544 has 96 divisors (see below), whose sum is σ = 2435457024. Its totient is φ = 270547200.

The previous prime is 868832537. The next prime is 868832563. The reversal of 868832544 is 445238868.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 868832493 and 868832502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90369 + ... + 99519.

It is an arithmetic number, because the mean of its divisors is an integer number (25369344).

Almost surely, 2^868832544 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 868832544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217728512).

868832544 is an abundant number, since it is smaller than the sum of its proper divisors (1566624480).

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

868832544 is a wasteful number, since it uses less digits than its factorization.

868832544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230 (or 9222 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The square root of 868832544 is about 29475.9655312595. The cubic root of 868832544 is about 954.2130681002.

The spelling of 868832544 in words is "eight hundred sixty-eight million, eight hundred thirty-two thousand, five hundred forty-four".