27750605071 has 6 divisors (see below), whose sum is σ = 32281316160. Its totient is φ = 23786232876.

The previous prime is 27750605053. The next prime is 27750605117. The reversal of 27750605071 is 17050605772.

It is not a de Polignac number, because 27750605071 - 2⁹ = 27750604559 is a prime.

It is a super-2 number, since 2×27750605071² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27750605171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283169391 + ... + 283169488.

It is an arithmetic number, because the mean of its divisors is an integer number (5380219360).

Almost surely, 2^27750605071 is an apocalyptic number.

27750605071 is a deficient number, since it is larger than the sum of its proper divisors (4530711089).

27750605071 is an equidigital number, since it uses as much as digits as its factorization.

27750605071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566338893 (or 566338886 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 40.

The spelling of 27750605071 in words is "twenty-seven billion, seven hundred fifty million, six hundred five thousand, seventy-one".