868082544 has 120 divisors (see below), whose sum is σ = 2787405920. Its totient is φ = 247048704.

The previous prime is 868082539. The next prime is 868082557. The reversal of 868082544 is 445280868.

It is a self number, because there is not a number n which added to its sum of digits gives 868082544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277662 + ... + 280770.

Almost surely, 2^868082544 is an apocalyptic number.

868082544 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868082544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393702960).

868082544 is an abundant number, since it is smaller than the sum of its proper divisors (1919323376).

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

868082544 is a wasteful number, since it uses less digits than its factorization.

868082544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407 (or 3398 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 868082544 is about 29463.2405549695. The cubic root of 868082544 is about 953.9384214568.

The spelling of 868082544 in words is "eight hundred sixty-eight million, eighty-two thousand, five hundred forty-four".