11727770227 has 4 divisors (see below), whose sum is σ = 11776433416. Its totient is φ = 11679107040.

The previous prime is 11727770221. The next prime is 11727770233. The reversal of 11727770227 is 72207772711.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11727770221) and next prime (11727770233).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11727770227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11727770221) 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, 24331233 + ... + 24331714.

It is an arithmetic number, because the mean of its divisors is an integer number (2944108354).

Almost surely, 2^11727770227 is an apocalyptic number.

11727770227 is a deficient number, since it is larger than the sum of its proper divisors (48663189).

11727770227 is an equidigital number, since it uses as much as digits as its factorization.

11727770227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48663188.

The product of its (nonzero) digits is 134456, while the sum is 43.

The spelling of 11727770227 in words is "eleven billion, seven hundred twenty-seven million, seven hundred seventy thousand, two hundred twenty-seven".