6842398871 has 48 divisors (see below), whose sum is σ = 8771922432. Its totient is φ = 5223493440.

The previous prime is 6842398831. The next prime is 6842398879. The reversal of 6842398871 is 1788932486.

It is not a de Polignac number, because 6842398871 - 2³⁰ = 5768657047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842398879) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9334421 + ... + 9335153.

It is an arithmetic number, because the mean of its divisors is an integer number (182748384).

Almost surely, 2^6842398871 is an apocalyptic number.

6842398871 is a deficient number, since it is larger than the sum of its proper divisors (1929523561).

6842398871 is a wasteful number, since it uses less digits than its factorization.

6842398871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 961 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The square root of 6842398871 is about 82718.7939406759. The cubic root of 6842398871 is about 1898.4658780692.

The spelling of 6842398871 in words is "six billion, eight hundred forty-two million, three hundred ninety-eight thousand, eight hundred seventy-one".