79738271 has 4 divisors (see below), whose sum is σ = 79759200. Its totient is φ = 79717344.

The previous prime is 79738261. The next prime is 79738277. The reversal of 79738271 is 17283797.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79738271 - 2⁶ = 79738207 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 (79738277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2951 + ... + 12968.

It is an arithmetic number, because the mean of its divisors is an integer number (19939800).

Almost surely, 2^79738271 is an apocalyptic number.

79738271 is a deficient number, since it is larger than the sum of its proper divisors (20929).

79738271 is a wasteful number, since it uses less digits than its factorization.

79738271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928.

The product of its digits is 148176, while the sum is 44.

The square root of 79738271 is about 8929.6288276725. The cubic root of 79738271 is about 430.4165262670.

The spelling of 79738271 in words is "seventy-nine million, seven hundred thirty-eight thousand, two hundred seventy-one".