79244656128 has 280 divisors, whose sum is σ = 258987827736. Its totient is φ = 24012288000.

The previous prime is 79244656033. The next prime is 79244656129. The reversal of 79244656128 is 82165644297.

79244656128 is a `hidden beast` number, since 79 + 2 + 4 + 4 + 6 + 561 + 2 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79244656129) 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 27 ways as a sum of consecutive naturals, for example, 4096078 + ... + 4115378.

Almost surely, 2^79244656128 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 79244656128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129493913868).

79244656128 is an abundant number, since it is smaller than the sum of its proper divisors (179743171608).

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

79244656128 is an equidigital number, since it uses as much as digits as its factorization.

79244656128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19348 (or 19317 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 79244656128 in words is "seventy-nine billion, two hundred forty-four million, six hundred fifty-six thousand, one hundred twenty-eight".