868105885284 has 243 divisors, whose sum is σ = 2549062851699. Its totient is φ = 248881580640.

The previous prime is 868105885277. The next prime is 868105885301. The reversal of 868105885284 is 482588501868.

The square root of 868105885284 is 931722.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1168379017 + ... + 1168379759.

Almost surely, 2^868105885284 is an apocalyptic number.

868105885284 is the 931722-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868105885284

868105885284 is an abundant number, since it is smaller than the sum of its proper divisors (1680956966415).

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

868105885284 is a wasteful number, since it uses less digits than its factorization.

868105885284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 39321600, while the sum is 63.

The spelling of 868105885284 in words is "eight hundred sixty-eight billion, one hundred five million, eight hundred eighty-five thousand, two hundred eighty-four".