79331271 has 4 divisors (see below), whose sum is σ = 105775032. Its totient is φ = 52887512.

The previous prime is 79331261. The next prime is 79331281. The reversal of 79331271 is 17213397.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (79331261) and next prime (79331281).

It is a cyclic number.

It is not a de Polignac number, because 79331271 - 2⁶ = 79331207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79331261) 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, 13221876 + ... + 13221881.

It is an arithmetic number, because the mean of its divisors is an integer number (26443758).

Almost surely, 2^79331271 is an apocalyptic number.

79331271 is a deficient number, since it is larger than the sum of its proper divisors (26443761).

79331271 is a wasteful number, since it uses less digits than its factorization.

79331271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26443760.

The product of its digits is 7938, while the sum is 33.

The square root of 79331271 is about 8906.8103718447. The cubic root of 79331271 is about 429.6829662402.

The spelling of 79331271 in words is "seventy-nine million, three hundred thirty-one thousand, two hundred seventy-one".