27806087854 has 8 divisors (see below), whose sum is σ = 42114075120. Its totient is φ = 13768062816.

The previous prime is 27806087831. The next prime is 27806087857. The reversal of 27806087854 is 45878060872.

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

It is a junction number, because it is equal to n+sod(n) for n = 27806087795 and 27806087804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27806087857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67490299 + ... + 67490710.

It is an arithmetic number, because the mean of its divisors is an integer number (5264259390).

Almost surely, 2^27806087854 is an apocalyptic number.

27806087854 is a deficient number, since it is larger than the sum of its proper divisors (14307987266).

27806087854 is a wasteful number, since it uses less digits than its factorization.

27806087854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134981114.

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 27806087854 in words is "twenty-seven billion, eight hundred six million, eighty-seven thousand, eight hundred fifty-four".