79970023584 has 144 divisors (see below), whose sum is σ = 249120615744. Its totient is φ = 24132556800.

The previous prime is 79970023583. The next prime is 79970023597. The reversal of 79970023584 is 48532007997.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 79970023584.

It is not an unprimeable number, because it can be changed into a prime (79970023583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 711117 + ... + 815859.

It is an arithmetic number, because the mean of its divisors is an integer number (1730004276).

Almost surely, 2^79970023584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79970023584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124560307872).

79970023584 is an abundant number, since it is smaller than the sum of its proper divisors (169150592160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79970023584 is a wasteful number, since it uses less digits than its factorization.

79970023584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105011 (or 105000 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 79970023584 in words is "seventy-nine billion, nine hundred seventy million, twenty-three thousand, five hundred eighty-four".