27770135771 has 16 divisors (see below), whose sum is σ = 32027996160. Its totient is φ = 23585925120.

The previous prime is 27770135759. The next prime is 27770135797. The reversal of 27770135771 is 17753107772.

It is a cyclic number.

It is not a de Polignac number, because 27770135771 - 2⁶ = 27770135707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27770135971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303200 + ... + 384018.

It is an arithmetic number, because the mean of its divisors is an integer number (2001749760).

Almost surely, 2^27770135771 is an apocalyptic number.

27770135771 is a deficient number, since it is larger than the sum of its proper divisors (4257860389).

27770135771 is a wasteful number, since it uses less digits than its factorization.

27770135771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81274.

The product of its (nonzero) digits is 504210, while the sum is 47.

The spelling of 27770135771 in words is "twenty-seven billion, seven hundred seventy million, one hundred thirty-five thousand, seven hundred seventy-one".