79830523 has 2 divisors, whose sum is σ = 79830524. Its totient is φ = 79830522.

The previous prime is 79830511. The next prime is 79830557. The reversal of 79830523 is 32503897.

It is a weak prime.

It is an emirp because it is prime and its reverse (32503897) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79830523 is a prime.

It is not a weakly prime, because it can be changed into another prime (79830503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39915261 + 39915262.

It is an arithmetic number, because the mean of its divisors is an integer number (39915262).

Almost surely, 2^79830523 is an apocalyptic number.

79830523 is a deficient number, since it is larger than the sum of its proper divisors (1).

79830523 is an equidigital number, since it uses as much as digits as its factorization.

79830523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 79830523 is about 8934.7928347556. The cubic root of 79830523 is about 430.5824502831.

The spelling of 79830523 in words is "seventy-nine million, eight hundred thirty thousand, five hundred twenty-three".