27042700871 has 2 divisors, whose sum is σ = 27042700872. Its totient is φ = 27042700870.

The previous prime is 27042700837. The next prime is 27042700873. The reversal of 27042700871 is 17800724072.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27042700871 - 2⁶ = 27042700807 is a prime.

Together with 27042700873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27042700873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13521350435 + 13521350436.

It is an arithmetic number, because the mean of its divisors is an integer number (13521350436).

Almost surely, 2^27042700871 is an apocalyptic number.

27042700871 is a deficient number, since it is larger than the sum of its proper divisors (1).

27042700871 is an equidigital number, since it uses as much as digits as its factorization.

27042700871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 38.

The spelling of 27042700871 in words is "twenty-seven billion, forty-two million, seven hundred thousand, eight hundred seventy-one".