27871136223 has 32 divisors (see below), whose sum is σ = 42757028352. Its totient is φ = 15819148800.

The previous prime is 27871136203. The next prime is 27871136291. The reversal of 27871136223 is 32263117872.

It is a happy number.

It is not a de Polignac number, because 27871136223 - 2¹⁴ = 27871119839 is a prime.

It is a super-2 number, since 2×27871136223² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27871136203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2302515 + ... + 2314587.

It is an arithmetic number, because the mean of its divisors is an integer number (1336157136).

Almost surely, 2^27871136223 is an apocalyptic number.

27871136223 is a deficient number, since it is larger than the sum of its proper divisors (14885892129).

27871136223 is a wasteful number, since it uses less digits than its factorization.

27871136223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815.

The product of its digits is 169344, while the sum is 42.

The spelling of 27871136223 in words is "twenty-seven billion, eight hundred seventy-one million, one hundred thirty-six thousand, two hundred twenty-three".