27752327769 has 16 divisors (see below), whose sum is σ = 37083652992. Its totient is φ = 18461321088.

The previous prime is 27752327761. The next prime is 27752327791. The reversal of 27752327769 is 96772325772.

It is not a de Polignac number, because 27752327769 - 2³ = 27752327761 is a prime.

It is a super-2 number, since 2×27752327769² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27752327761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3146764 + ... + 3155570.

It is an arithmetic number, because the mean of its divisors is an integer number (2317728312).

Almost surely, 2^27752327769 is an apocalyptic number.

It is an amenable number.

27752327769 is a deficient number, since it is larger than the sum of its proper divisors (9331325223).

27752327769 is a wasteful number, since it uses less digits than its factorization.

27752327769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10976.

The product of its digits is 15558480, while the sum is 57.

The spelling of 27752327769 in words is "twenty-seven billion, seven hundred fifty-two million, three hundred twenty-seven thousand, seven hundred sixty-nine".