27687083011 has 4 divisors (see below), whose sum is σ = 31642380592. Its totient is φ = 23731785432.

The previous prime is 27687082949. The next prime is 27687083059. The reversal of 27687083011 is 11038078672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27687083011 - 2⁷ = 27687082883 is a prime.

It is a super-2 number, since 2×27687083011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27687053011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977648780 + ... + 1977648793.

It is an arithmetic number, because the mean of its divisors is an integer number (7910595148).

Almost surely, 2^27687083011 is an apocalyptic number.

27687083011 is a deficient number, since it is larger than the sum of its proper divisors (3955297581).

27687083011 is an equidigital number, since it uses as much as digits as its factorization.

27687083011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955297580.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 27687083011 in words is "twenty-seven billion, six hundred eighty-seven million, eighty-three thousand, eleven".