868043331 has 8 divisors (see below), whose sum is σ = 1285990160. Its totient is φ = 578695536.

The previous prime is 868043303. The next prime is 868043339. The reversal of 868043331 is 133340868.

It is a happy number.

It is not a de Polignac number, because 868043331 - 2²⁵ = 834488899 is a prime.

It is a super-2 number, since 2×868043331² = 1506998448987151122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868043339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16074850 + ... + 16074903.

It is an arithmetic number, because the mean of its divisors is an integer number (160748770).

Almost surely, 2^868043331 is an apocalyptic number.

868043331 is a deficient number, since it is larger than the sum of its proper divisors (417946829).

868043331 is a wasteful number, since it uses less digits than its factorization.

868043331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32149762 (or 32149756 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 868043331 is about 29462.5750911220. The cubic root of 868043331 is about 953.9240574808.

The spelling of 868043331 in words is "eight hundred sixty-eight million, forty-three thousand, three hundred thirty-one".