79354436671 has 2 divisors, whose sum is σ = 79354436672. Its totient is φ = 79354436670.

The previous prime is 79354436633. The next prime is 79354436683. The reversal of 79354436671 is 17663445397.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79354436671 - 2⁹ = 79354436159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79354436071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39677218335 + 39677218336.

It is an arithmetic number, because the mean of its divisors is an integer number (39677218336).

Almost surely, 2^79354436671 is an apocalyptic number.

79354436671 is a deficient number, since it is larger than the sum of its proper divisors (1).

79354436671 is an equidigital number, since it uses as much as digits as its factorization.

79354436671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 55.

The spelling of 79354436671 in words is "seventy-nine billion, three hundred fifty-four million, four hundred thirty-six thousand, six hundred seventy-one".