84838065039 has 80 divisors (see below), whose sum is σ = 156073017408. Its totient is φ = 44722948608.

The previous prime is 84838065007. The next prime is 84838065043. The reversal of 84838065039 is 93056083848.

It is a happy number.

84838065039 is a `hidden beast` number, since 8 + 483 + 80 + 6 + 50 + 39 = 666.

It is not a de Polignac number, because 84838065039 - 2⁵ = 84838065007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84838065139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20909499 + ... + 20913555.

Almost surely, 2^84838065039 is an apocalyptic number.

84838065039 is a deficient number, since it is larger than the sum of its proper divisors (71234952369).

84838065039 is a wasteful number, since it uses less digits than its factorization.

84838065039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926 (or 6917 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 84838065039 in words is "eighty-four billion, eight hundred thirty-eight million, sixty-five thousand, thirty-nine".