27954000871 has 2 divisors, whose sum is σ = 27954000872. Its totient is φ = 27954000870.

The previous prime is 27954000863. The next prime is 27954000883. The reversal of 27954000871 is 17800045972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27954000871 - 2³ = 27954000863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27954000271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977000435 + 13977000436.

It is an arithmetic number, because the mean of its divisors is an integer number (13977000436).

Almost surely, 2^27954000871 is an apocalyptic number.

27954000871 is a deficient number, since it is larger than the sum of its proper divisors (1).

27954000871 is an equidigital number, since it uses as much as digits as its factorization.

27954000871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 27954000871 in words is "twenty-seven billion, nine hundred fifty-four million, eight hundred seventy-one", and thus it is an aban number.