868581426 has 16 divisors (see below), whose sum is σ = 1738513728. Its totient is φ = 289302000.

The previous prime is 868581383. The next prime is 868581457. The reversal of 868581426 is 624185868.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47830 + ... + 63441.

It is an arithmetic number, because the mean of its divisors is an integer number (108657108).

Almost surely, 2^868581426 is an apocalyptic number.

868581426 is an abundant number, since it is smaller than the sum of its proper divisors (869932302).

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

868581426 is a wasteful number, since it uses less digits than its factorization.

868581426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112577.

The product of its digits is 737280, while the sum is 48.

The square root of 868581426 is about 29471.7055156297. The cubic root of 868581426 is about 954.1211274194.

The spelling of 868581426 in words is "eight hundred sixty-eight million, five hundred eighty-one thousand, four hundred twenty-six".