27859696842 has 8 divisors (see below), whose sum is σ = 55719393696. Its totient is φ = 9286565612.

The previous prime is 27859696783. The next prime is 27859696853. The reversal of 27859696842 is 24869695872.

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

27859696842 is an admirable number.

It is a super-3 number, since 3×27859696842³ (a number of 32 digits) contains 333 as substring.

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, 2321641398 + ... + 2321641409.

It is an arithmetic number, because the mean of its divisors is an integer number (6964924212).

Almost surely, 2^27859696842 is an apocalyptic number.

27859696842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27859696842 is a wasteful number, since it uses less digits than its factorization.

27859696842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643282812.

The product of its digits is 104509440, while the sum is 66.

The spelling of 27859696842 in words is "twenty-seven billion, eight hundred fifty-nine million, six hundred ninety-six thousand, eight hundred forty-two".