79938445 has 8 divisors (see below), whose sum is σ = 96037344. Its totient is φ = 63876624.

The previous prime is 79938433. The next prime is 79938449. The reversal of 79938445 is 54483997.

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 79938445 - 2¹⁷ = 79807373 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 (79938449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4279 + ... + 13348.

It is an arithmetic number, because the mean of its divisors is an integer number (12004668).

Almost surely, 2^79938445 is an apocalyptic number.

It is an amenable number.

79938445 is a deficient number, since it is larger than the sum of its proper divisors (16098899).

79938445 is a wasteful number, since it uses less digits than its factorization.

79938445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18539.

The product of its digits is 1088640, while the sum is 49.

The square root of 79938445 is about 8940.8302187213. The cubic root of 79938445 is about 430.7763961271.

The spelling of 79938445 in words is "seventy-nine million, nine hundred thirty-eight thousand, four hundred forty-five".