79175253853 has 2 divisors, whose sum is σ = 79175253854. Its totient is φ = 79175253852.

The previous prime is 79175253851. The next prime is 79175253863. The reversal of 79175253853 is 35835257197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66500547129 + 12674706724 = 257877^2 + 112582^2 .

It is an emirp because it is prime and its reverse (35835257197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79175253853 - 2¹ = 79175253851 is a prime.

Together with 79175253851, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 79175253794 and 79175253803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79175253851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39587626926 + 39587626927.

It is an arithmetic number, because the mean of its divisors is an integer number (39587626927).

Almost surely, 2^79175253853 is an apocalyptic number.

It is an amenable number.

79175253853 is a deficient number, since it is larger than the sum of its proper divisors (1).

79175253853 is an equidigital number, since it uses as much as digits as its factorization.

79175253853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938000, while the sum is 55.

The spelling of 79175253853 in words is "seventy-nine billion, one hundred seventy-five million, two hundred fifty-three thousand, eight hundred fifty-three".