79228397 has 8 divisors (see below), whose sum is σ = 80490144. Its totient is φ = 77974128.

The previous prime is 79228393. The next prime is 79228427. The reversal of 79228397 is 79382297.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79228397 - 2² = 79228393 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 (79228393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21803 + ... + 25175.

It is an arithmetic number, because the mean of its divisors is an integer number (10061268).

Almost surely, 2^79228397 is an apocalyptic number.

It is an amenable number.

79228397 is a deficient number, since it is larger than the sum of its proper divisors (1261747).

79228397 is a wasteful number, since it uses less digits than its factorization.

79228397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739.

The product of its digits is 381024, while the sum is 47.

The square root of 79228397 is about 8901.0334793214. The cubic root of 79228397 is about 429.4971533162.

The spelling of 79228397 in words is "seventy-nine million, two hundred twenty-eight thousand, three hundred ninety-seven".