864415423668 has 24 divisors (see below), whose sum is σ = 2029816264672. Its totient is φ = 286303197024.

The previous prime is 864415423639. The next prime is 864415423673. The reversal of 864415423668 is 866324514468.

It is a congruent 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, 229407730 + ... + 229411497.

Almost surely, 2^864415423668 is an apocalyptic number.

It is an amenable number.

864415423668 is an abundant number, since it is smaller than the sum of its proper divisors (1165400841004).

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

864415423668 is a wasteful number, since it uses less digits than its factorization.

864415423668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458819391 (or 458819389 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 57.

The spelling of 864415423668 in words is "eight hundred sixty-four billion, four hundred fifteen million, four hundred twenty-three thousand, six hundred sixty-eight".