83607780305 has 16 divisors (see below), whose sum is σ = 115797371904. Its totient is φ = 56763412800.

The previous prime is 83607780299. The next prime is 83607780323. The reversal of 83607780305 is 50308770638.

It is not a de Polignac number, because 83607780305 - 2⁶ = 83607780241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83607780305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11822177 + ... + 11829246.

It is an arithmetic number, because the mean of its divisors is an integer number (7237335744).

Almost surely, 2^83607780305 is an apocalyptic number.

It is an amenable number.

83607780305 is a deficient number, since it is larger than the sum of its proper divisors (32189591599).

83607780305 is a wasteful number, since it uses less digits than its factorization.

83607780305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23651536.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 83607780305 in words is "eighty-three billion, six hundred seven million, seven hundred eighty thousand, three hundred five".