79912754543 has 2 divisors, whose sum is σ = 79912754544. Its totient is φ = 79912754542.

The previous prime is 79912754483. The next prime is 79912754561. The reversal of 79912754543 is 34545721997.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79912754543 - 2²⁰ = 79911705967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79912754143) 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, 39956377271 + 39956377272.

It is an arithmetic number, because the mean of its divisors is an integer number (39956377272).

Almost surely, 2^79912754543 is an apocalyptic number.

79912754543 is a deficient number, since it is larger than the sum of its proper divisors (1).

79912754543 is an equidigital number, since it uses as much as digits as its factorization.

79912754543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 56.

The spelling of 79912754543 in words is "seventy-nine billion, nine hundred twelve million, seven hundred fifty-four thousand, five hundred forty-three".