93984781109 has 32 divisors (see below), whose sum is σ = 100085207040. Its totient is φ = 88121880000.

The previous prime is 93984781063. The next prime is 93984781117. The reversal of 93984781109 is 90118748939.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93984781109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93984781609) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 50231444 + ... + 50233314.

It is an arithmetic number, because the mean of its divisors is an integer number (3127662720).

Almost surely, 2^93984781109 is an apocalyptic number.

It is an amenable number.

93984781109 is a deficient number, since it is larger than the sum of its proper divisors (6100425931).

93984781109 is a wasteful number, since it uses less digits than its factorization.

93984781109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 3919104, while the sum is 59.

The spelling of 93984781109 in words is "ninety-three billion, nine hundred eighty-four million, seven hundred eighty-one thousand, one hundred nine".