79436503871 has 2 divisors, whose sum is σ = 79436503872. Its totient is φ = 79436503870.

The previous prime is 79436503849. The next prime is 79436503873. The reversal of 79436503871 is 17830563497.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79436503871 - 2⁶ = 79436503807 is a prime.

Together with 79436503873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79436503873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39718251935 + 39718251936.

It is an arithmetic number, because the mean of its divisors is an integer number (39718251936).

Almost surely, 2^79436503871 is an apocalyptic number.

79436503871 is a deficient number, since it is larger than the sum of its proper divisors (1).

79436503871 is an equidigital number, since it uses as much as digits as its factorization.

79436503871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 79436503871 in words is "seventy-nine billion, four hundred thirty-six million, five hundred three thousand, eight hundred seventy-one".