27100238263 has 10 divisors (see below), whose sum is σ = 31615066264. Its totient is φ = 23228773596.

The previous prime is 27100238239. The next prime is 27100238309. The reversal of 27100238263 is 36283200172.

It is not a de Polignac number, because 27100238263 - 2⁹ = 27100237751 is a prime.

It is a super-2 number, since 2×27100238263² (a number of 22 digits) contains 22 as substring.

It is the 164622-nd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27100238233) by changing a digit.

It is a nontrivial repunit in base 164621.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5641131 + ... + 5645932.

Almost surely, 2^27100238263 is an apocalyptic number.

27100238263 is a deficient number, since it is larger than the sum of its proper divisors (4514828001).

27100238263 is an frugal number, since it uses more digits than its factorization.

27100238263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287091 (or 11287070 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 27100238263 in words is "twenty-seven billion, one hundred million, two hundred thirty-eight thousand, two hundred sixty-three".