79285728642 has 16 divisors (see below), whose sum is σ = 158577149952. Its totient is φ = 26427627440.

The previous prime is 79285728629. The next prime is 79285728667. The reversal of 79285728642 is 24682758297.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44034 + ... + 400637.

It is an arithmetic number, because the mean of its divisors is an integer number (9911071872).

Almost surely, 2^79285728642 is an apocalyptic number.

79285728642 is an abundant number, since it is smaller than the sum of its proper divisors (79291421310).

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

79285728642 is a wasteful number, since it uses less digits than its factorization.

79285728642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474393.

The product of its digits is 27095040, while the sum is 60.

The spelling of 79285728642 in words is "seventy-nine billion, two hundred eighty-five million, seven hundred twenty-eight thousand, six hundred forty-two".