27711157975 has 12 divisors (see below), whose sum is σ = 34364203576. Its totient is φ = 22167398880.

The previous prime is 27711157973. The next prime is 27711158003. The reversal of 27711157975 is 57975111772.

It is not a de Polignac number, because 27711157975 - 2¹ = 27711157973 is a prime.

It is a super-2 number, since 2×27711157975² (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 (27711157973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458629 + ... + 515521.

Almost surely, 2^27711157975 is an apocalyptic number.

27711157975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27711157975 is a deficient number, since it is larger than the sum of its proper divisors (6653045601).

27711157975 is a wasteful number, since it uses less digits than its factorization.

27711157975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76386 (or 76381 counting only the distinct ones).

The product of its digits is 1080450, while the sum is 52.

The spelling of 27711157975 in words is "twenty-seven billion, seven hundred eleven million, one hundred fifty-seven thousand, nine hundred seventy-five".