79784498983 has 16 divisors (see below), whose sum is σ = 96087320320. Its totient is φ = 64715884416.

The previous prime is 79784498929. The next prime is 79784499001. The reversal of 79784498983 is 38989448797.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79784498983 is a prime.

It is the 282462-nd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79784499983) by changing a digit.

It is a nontrivial repunit in base 282461.

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 in 15 ways as a sum of consecutive naturals, for example, 210066 + ... + 451327.

It is an arithmetic number, because the mean of its divisors is an integer number (6005457520).

Almost surely, 2^79784498983 is an apocalyptic number.

79784498983 is a deficient number, since it is larger than the sum of its proper divisors (16302821337).

79784498983 is a wasteful number, since it uses less digits than its factorization.

79784498983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662326.

The product of its digits is 877879296, while the sum is 76.

The spelling of 79784498983 in words is "seventy-nine billion, seven hundred eighty-four million, four hundred ninety-eight thousand, nine hundred eighty-three".