79698223 has 6 divisors (see below), whose sum is σ = 87602312. Its totient is φ = 72452820.

The previous prime is 79698211. The next prime is 79698233. The reversal of 79698223 is 32289697.

It is not a de Polignac number, because 79698223 - 2¹³ = 79690031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79698233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329211 + ... + 329452.

Almost surely, 2^79698223 is an apocalyptic number.

79698223 is a deficient number, since it is larger than the sum of its proper divisors (7904089).

79698223 is a wasteful number, since it uses less digits than its factorization.

79698223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658685 (or 658674 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 79698223 is about 8927.3861236086. The cubic root of 79698223 is about 430.3444562835.

The spelling of 79698223 in words is "seventy-nine million, six hundred ninety-eight thousand, two hundred twenty-three".