84616939999 has 2 divisors, whose sum is σ = 84616940000. Its totient is φ = 84616939998.

The previous prime is 84616939973. The next prime is 84616940101. The reversal of 84616939999 is 99993961648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84616939999 - 2¹³ = 84616931807 is a prime.

It is a super-2 number, since 2×84616939999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84616939399) 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 as a sum of consecutive naturals, namely, 42308469999 + 42308470000.

It is an arithmetic number, because the mean of its divisors is an integer number (42308470000).

Almost surely, 2^84616939999 is an apocalyptic number.

84616939999 is a deficient number, since it is larger than the sum of its proper divisors (1).

84616939999 is an equidigital number, since it uses as much as digits as its factorization.

84616939999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204073344, while the sum is 73.

The spelling of 84616939999 in words is "eighty-four billion, six hundred sixteen million, nine hundred thirty-nine thousand, nine hundred ninety-nine".