79874426491536 has 160 divisors (see below), whose sum is σ = 214370141932800. Its totient is φ = 25607419084800.

The previous prime is 79874426491523. The next prime is 79874426491597. The reversal of 79874426491536 is 63519462447897.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3019928040 + ... + 3019954488.

It is an arithmetic number, because the mean of its divisors is an integer number (1339813387080).

Almost surely, 2^{79874426491536} 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 79874426491536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107185070966400).

79874426491536 is an abundant number, since it is smaller than the sum of its proper divisors (134495715441264).

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

79874426491536 is a wasteful number, since it uses less digits than its factorization.

79874426491536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48185 (or 48179 counting only the distinct ones).

The product of its digits is 2194698240, while the sum is 75.

The spelling of 79874426491536 in words is "seventy-nine trillion, eight hundred seventy-four billion, four hundred twenty-six million, four hundred ninety-one thousand, five hundred thirty-six".