6358894387 has 16 divisors (see below), whose sum is σ = 7029407232. Its totient is φ = 5721598080.

The previous prime is 6358894379. The next prime is 6358894393. The reversal of 6358894387 is 7834988536.

It is a cyclic number.

It is not a de Polignac number, because 6358894387 - 2³ = 6358894379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6358894397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088368 + ... + 1094194.

It is an arithmetic number, because the mean of its divisors is an integer number (439337952).

Almost surely, 2^6358894387 is an apocalyptic number.

6358894387 is a deficient number, since it is larger than the sum of its proper divisors (670512845).

6358894387 is a wasteful number, since it uses less digits than its factorization.

6358894387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658.

The product of its digits is 34836480, while the sum is 61.

The square root of 6358894387 is about 79742.6760712230. The cubic root of 6358894387 is about 1852.6520897955.

The spelling of 6358894387 in words is "six billion, three hundred fifty-eight million, eight hundred ninety-four thousand, three hundred eighty-seven".