79628897059 has 4 divisors (see below), whose sum is σ = 79970652216. Its totient is φ = 79287141904.

The previous prime is 79628897053. The next prime is 79628897063. The reversal of 79628897059 is 95079882697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95079882697 = 269 ⋅353456813.

It is a cyclic number.

It is not a de Polignac number, because 79628897059 - 2⁵ = 79628897027 is a prime.

It is a super-2 number, since 2×79628897059² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79628897053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170877229 + ... + 170877694.

It is an arithmetic number, because the mean of its divisors is an integer number (19992663054).

Almost surely, 2^79628897059 is an apocalyptic number.

79628897059 is a deficient number, since it is larger than the sum of its proper divisors (341755157).

79628897059 is a wasteful number, since it uses less digits than its factorization.

79628897059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341755156.

The product of its (nonzero) digits is 137168640, while the sum is 70.

The spelling of 79628897059 in words is "seventy-nine billion, six hundred twenty-eight million, eight hundred ninety-seven thousand, fifty-nine".