12889568086 has 8 divisors (see below), whose sum is σ = 19525781664. Its totient is φ = 6380974200.

The previous prime is 12889568039. The next prime is 12889568093. The reversal of 12889568086 is 68086598821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12889568086² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31904670 + ... + 31905073.

It is an arithmetic number, because the mean of its divisors is an integer number (2440722708).

Almost surely, 2^12889568086 is an apocalyptic number.

12889568086 is a deficient number, since it is larger than the sum of its proper divisors (6636213578).

12889568086 is a wasteful number, since it uses less digits than its factorization.

12889568086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63809846.

The product of its (nonzero) digits is 13271040, while the sum is 61.

The spelling of 12889568086 in words is "twelve billion, eight hundred eighty-nine million, five hundred sixty-eight thousand, eighty-six".