27389849155 has 8 divisors (see below), whose sum is σ = 32998767984. Its totient is φ = 21824580000.

The previous prime is 27389849131. The next prime is 27389849197. The reversal of 27389849155 is 55194898372.

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

It is not a de Polignac number, because 27389849155 - 2¹⁵ = 27389816387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27389849093 and 27389849102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10911036 + ... + 10913545.

It is an arithmetic number, because the mean of its divisors is an integer number (4124845998).

Almost surely, 2^27389849155 is an apocalyptic number.

27389849155 is a deficient number, since it is larger than the sum of its proper divisors (5608918829).

27389849155 is a wasteful number, since it uses less digits than its factorization.

27389849155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21824837.

The product of its digits is 21772800, while the sum is 61.

The spelling of 27389849155 in words is "twenty-seven billion, three hundred eighty-nine million, eight hundred forty-nine thousand, one hundred fifty-five".