27730033311 has 4 divisors (see below), whose sum is σ = 36973377752. Its totient is φ = 18486688872.

The previous prime is 27730033301. The next prime is 27730033337. The reversal of 27730033311 is 11333003772.

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

It is not a de Polignac number, because 27730033311 - 2¹⁰ = 27730032287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27730033301) 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, 4621672216 + ... + 4621672221.

It is an arithmetic number, because the mean of its divisors is an integer number (9243344438).

Almost surely, 2^27730033311 is an apocalyptic number.

27730033311 is a deficient number, since it is larger than the sum of its proper divisors (9243344441).

27730033311 is an equidigital number, since it uses as much as digits as its factorization.

27730033311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243344440.

The product of its (nonzero) digits is 7938, while the sum is 30.

The spelling of 27730033311 in words is "twenty-seven billion, seven hundred thirty million, thirty-three thousand, three hundred eleven".