27901306512871 has 16 divisors (see below), whose sum is σ = 30790657916928. Its totient is φ = 25072240586400.

The previous prime is 27901306512853. The next prime is 27901306512917. The reversal of 27901306512871 is 17821560310972.

It is a cyclic number.

It is not a de Polignac number, because 27901306512871 - 2⁵ = 27901306512839 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 (27901306512851) 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, 36470680 + ... + 37227853.

It is an arithmetic number, because the mean of its divisors is an integer number (1924416119808).

Almost surely, 2^{27901306512871} is an apocalyptic number.

27901306512871 is a deficient number, since it is larger than the sum of its proper divisors (2889351404057).

27901306512871 is a wasteful number, since it uses less digits than its factorization.

27901306512871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73698942.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 27901306512871 in words is "twenty-seven trillion, nine hundred one billion, three hundred six million, five hundred twelve thousand, eight hundred seventy-one".