83634186705 has 16 divisors (see below), whose sum is σ = 134487139200. Its totient is φ = 44380752768.

The previous prime is 83634186703. The next prime is 83634186761. The reversal of 83634186705 is 50768143638.

It is not a de Polignac number, because 83634186705 - 2¹ = 83634186703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83634186703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14006092 + ... + 14012061.

It is an arithmetic number, because the mean of its divisors is an integer number (8405446200).

Almost surely, 2^83634186705 is an apocalyptic number.

It is an amenable number.

83634186705 is a deficient number, since it is larger than the sum of its proper divisors (50852952495).

83634186705 is a wasteful number, since it uses less digits than its factorization.

83634186705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28018360.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 83634186705 in words is "eighty-three billion, six hundred thirty-four million, one hundred eighty-six thousand, seven hundred five".