2309888871 has 6 divisors (see below), whose sum is σ = 3336506160. Its totient is φ = 1539925908.

The previous prime is 2309888807. The next prime is 2309888899. The reversal of 2309888871 is 1788889032.

It is not a de Polignac number, because 2309888871 - 2⁶ = 2309888807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309888671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128327151 + ... + 128327168.

It is an arithmetic number, because the mean of its divisors is an integer number (556084360).

Almost surely, 2^2309888871 is an apocalyptic number.

2309888871 is a deficient number, since it is larger than the sum of its proper divisors (1026617289).

2309888871 is a wasteful number, since it uses less digits than its factorization.

2309888871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256654325 (or 256654322 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 2309888871 is about 48061.3032594831. The cubic root of 2309888871 is about 1321.8952097844.

The spelling of 2309888871 in words is "two billion, three hundred nine million, eight hundred eighty-eight thousand, eight hundred seventy-one".