27806034967 has 4 divisors (see below), whose sum is σ = 27832543200. Its totient is φ = 27779526736.

The previous prime is 27806034961. The next prime is 27806034973. The reversal of 27806034967 is 76943060872.

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

It is an interprime number because it is at equal distance from previous prime (27806034961) and next prime (27806034973).

It is a cyclic number.

It is not a de Polignac number, because 27806034967 - 2³¹ = 25658551319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27806034961) 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, 13252543 + ... + 13254640.

It is an arithmetic number, because the mean of its divisors is an integer number (6958135800).

Almost surely, 2^27806034967 is an apocalyptic number.

27806034967 is a deficient number, since it is larger than the sum of its proper divisors (26508233).

27806034967 is a wasteful number, since it uses less digits than its factorization.

27806034967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508232.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 27806034967 in words is "twenty-seven billion, eight hundred six million, thirty-four thousand, nine hundred sixty-seven".