79428106656 has 96 divisors (see below), whose sum is σ = 245292727680. Its totient is φ = 24918617088.

The previous prime is 79428106619. The next prime is 79428106657. The reversal of 79428106656 is 65660182497.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (79428106657) 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 15 ways as a sum of consecutive naturals, for example, 2689156 + ... + 2718531.

It is an arithmetic number, because the mean of its divisors is an integer number (2555132580).

Almost surely, 2^79428106656 is an apocalyptic number.

It is an amenable number.

79428106656 is an abundant number, since it is smaller than the sum of its proper divisors (165864621024).

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

79428106656 is a wasteful number, since it uses less digits than its factorization.

79428106656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407723 (or 5407709 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 79428106656 in words is "seventy-nine billion, four hundred twenty-eight million, one hundred six thousand, six hundred fifty-six".