27027747669 has 24 divisors (see below), whose sum is σ = 39033109440. Its totient is φ = 16627857792.

The previous prime is 27027747641. The next prime is 27027747683. The reversal of 27027747669 is 96674772072.

It is not a de Polignac number, because 27027747669 - 2³¹ = 24880264021 is a prime.

It is a super-2 number, since 2×27027747669² (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 (27027747629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3204592 + ... + 3213014.

It is an arithmetic number, because the mean of its divisors is an integer number (1626379560).

Almost surely, 2^27027747669 is an apocalyptic number.

It is an amenable number.

27027747669 is a deficient number, since it is larger than the sum of its proper divisors (12005361771).

27027747669 is a wasteful number, since it uses less digits than its factorization.

27027747669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14781 (or 14768 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 57.

The spelling of 27027747669 in words is "twenty-seven billion, twenty-seven million, seven hundred forty-seven thousand, six hundred sixty-nine".