79275728047 has 2 divisors, whose sum is σ = 79275728048. Its totient is φ = 79275728046.

The previous prime is 79275728033. The next prime is 79275728087. The reversal of 79275728047 is 74082757297.

It is a weak prime.

It is an emirp because it is prime and its reverse (74082757297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79275728047 - 2⁷ = 79275727919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79275727982 and 79275728000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79275728027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39637864023 + 39637864024.

It is an arithmetic number, because the mean of its divisors is an integer number (39637864024).

Almost surely, 2^79275728047 is an apocalyptic number.

79275728047 is a deficient number, since it is larger than the sum of its proper divisors (1).

79275728047 is an equidigital number, since it uses as much as digits as its factorization.

79275728047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13829760, while the sum is 58.

The spelling of 79275728047 in words is "seventy-nine billion, two hundred seventy-five million, seven hundred twenty-eight thousand, forty-seven".