79338271 has 4 divisors (see below), whose sum is σ = 79694272. Its totient is φ = 78982272.

The previous prime is 79338241. The next prime is 79338299. The reversal of 79338271 is 17283397.

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 79338271 - 2¹³ = 79330079 is a prime.

It is a super-2 number, since 2×79338271² = 12589122490538882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79338211) 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, 177666 + ... + 178111.

It is an arithmetic number, because the mean of its divisors is an integer number (19923568).

Almost surely, 2^79338271 is an apocalyptic number.

79338271 is a deficient number, since it is larger than the sum of its proper divisors (356001).

79338271 is a wasteful number, since it uses less digits than its factorization.

79338271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356000.

The product of its digits is 63504, while the sum is 40.

The square root of 79338271 is about 8907.2033209083. The cubic root of 79338271 is about 429.6956039313.

The spelling of 79338271 in words is "seventy-nine million, three hundred thirty-eight thousand, two hundred seventy-one".