79127871 has 8 divisors (see below), whose sum is σ = 107078784. Its totient is φ = 51964440.

The previous prime is 79127857. The next prime is 79127929. The reversal of 79127871 is 17872197.

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

It is not a de Polignac number, because 79127871 - 2⁹ = 79127359 is a prime.

It is a super-2 number, since 2×79127871² = 12522439937985282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79127831) 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, 196635 + ... + 197036.

It is an arithmetic number, because the mean of its divisors is an integer number (13384848).

Almost surely, 2^79127871 is an apocalyptic number.

79127871 is a deficient number, since it is larger than the sum of its proper divisors (27950913).

79127871 is a wasteful number, since it uses less digits than its factorization.

79127871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393741.

The product of its digits is 49392, while the sum is 42.

The square root of 79127871 is about 8895.3848146103. The cubic root of 79127871 is about 429.3154259476.

The spelling of 79127871 in words is "seventy-nine million, one hundred twenty-seven thousand, eight hundred seventy-one".