27842088857 has 4 divisors (see below), whose sum is σ = 30373187856. Its totient is φ = 25310989860.

The previous prime is 27842088839. The next prime is 27842088913. The reversal of 27842088857 is 75888024872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27842088857 - 2²⁶ = 27774979993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27842088796 and 27842088805.

It is not an unprimeable number, because it can be changed into a prime (27842088257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265549483 + ... + 1265549504.

It is an arithmetic number, because the mean of its divisors is an integer number (7593296964).

Almost surely, 2^27842088857 is an apocalyptic number.

It is an amenable number.

27842088857 is a deficient number, since it is larger than the sum of its proper divisors (2531098999).

27842088857 is a wasteful number, since it uses less digits than its factorization.

27842088857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531098998.

The product of its (nonzero) digits is 16056320, while the sum is 59.

The spelling of 27842088857 in words is "twenty-seven billion, eight hundred forty-two million, eighty-eight thousand, eight hundred fifty-seven".