27180228371847 has 16 divisors (see below), whose sum is σ = 37083495575808. Its totient is φ = 17698565646720.

The previous prime is 27180228371839. The next prime is 27180228371851. The reversal of 27180228371847 is 74817382208172.

It is not a de Polignac number, because 27180228371847 - 2³ = 27180228371839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27180228371827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11656678 + ... + 13792700.

It is an arithmetic number, because the mean of its divisors is an integer number (2317718473488).

Almost surely, 2^{27180228371847} is an apocalyptic number.

27180228371847 is a deficient number, since it is larger than the sum of its proper divisors (9903267203961).

27180228371847 is a wasteful number, since it uses less digits than its factorization.

27180228371847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234710.

The product of its (nonzero) digits is 16859136, while the sum is 60.

The spelling of 27180228371847 in words is "twenty-seven trillion, one hundred eighty billion, two hundred twenty-eight million, three hundred seventy-one thousand, eight hundred forty-seven".