83384666805 has 16 divisors (see below), whose sum is σ = 145544145984. Its totient is φ = 40428929280.

The previous prime is 83384666777. The next prime is 83384666867. The reversal of 83384666805 is 50866648338.

It is not a de Polignac number, because 83384666805 - 2¹⁰ = 83384665781 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252680644 + ... + 252680973.

It is an arithmetic number, because the mean of its divisors is an integer number (9096509124).

Almost surely, 2^83384666805 is an apocalyptic number.

It is an amenable number.

83384666805 is a deficient number, since it is larger than the sum of its proper divisors (62159479179).

83384666805 is a wasteful number, since it uses less digits than its factorization.

83384666805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505361636.

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 83384666805 in words is "eighty-three billion, three hundred eighty-four million, six hundred sixty-six thousand, eight hundred five".