79432128458 has 16 divisors (see below), whose sum is σ = 121177395360. Its totient is φ = 39039771696.

The previous prime is 79432128449. The next prime is 79432128463. The reversal of 79432128458 is 85482123497.

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 7 ways as a sum of consecutive naturals, for example, 2268641 + ... + 2303387.

It is an arithmetic number, because the mean of its divisors is an integer number (7573587210).

Almost surely, 2^79432128458 is an apocalyptic number.

79432128458 is a deficient number, since it is larger than the sum of its proper divisors (41745266902).

79432128458 is a wasteful number, since it uses less digits than its factorization.

79432128458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54181.

The product of its digits is 3870720, while the sum is 53.

The spelling of 79432128458 in words is "seventy-nine billion, four hundred thirty-two million, one hundred twenty-eight thousand, four hundred fifty-eight".