27027545739 has 4 divisors (see below), whose sum is σ = 36036727656. Its totient is φ = 18018363824.

The previous prime is 27027545737. The next prime is 27027545747. The reversal of 27027545739 is 93754572072.

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

It is a cyclic number.

It is not a de Polignac number, because 27027545739 - 2¹ = 27027545737 is a prime.

It is a super-2 number, since 2×27027545739² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27027545691 and 27027545700.

It is not an unprimeable number, because it can be changed into a prime (27027545731) 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, 4504590954 + ... + 4504590959.

It is an arithmetic number, because the mean of its divisors is an integer number (9009181914).

Almost surely, 2^27027545739 is an apocalyptic number.

27027545739 is a deficient number, since it is larger than the sum of its proper divisors (9009181917).

27027545739 is an equidigital number, since it uses as much as digits as its factorization.

27027545739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009181916.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 27027545739 in words is "twenty-seven billion, twenty-seven million, five hundred forty-five thousand, seven hundred thirty-nine".