9876936838 has 16 divisors (see below), whose sum is σ = 14842563120. Its totient is φ = 4929426400.

The previous prime is 9876936833. The next prime is 9876936863. The reversal of 9876936838 is 8386396789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9876936833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4276428 + ... + 4278736.

It is an arithmetic number, because the mean of its divisors is an integer number (927660195).

Almost surely, 2^9876936838 is an apocalyptic number.

9876936838 is a deficient number, since it is larger than the sum of its proper divisors (4965626282).

9876936838 is a wasteful number, since it uses less digits than its factorization.

9876936838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303.

The product of its digits is 94058496, while the sum is 67.

The square root of 9876936838 is about 99382.7793835532. The cubic root of 9876936838 is about 2145.5604686947.

The spelling of 9876936838 in words is "nine billion, eight hundred seventy-six million, nine hundred thirty-six thousand, eight hundred thirty-eight".