79216871 has 8 divisors (see below), whose sum is σ = 83758080. Its totient is φ = 74712888.

The previous prime is 79216867. The next prime is 79216897. The reversal of 79216871 is 17861297.

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 79216871 - 2² = 79216867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79216801) 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, 4871 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (10469760).

Almost surely, 2^79216871 is an apocalyptic number.

79216871 is a deficient number, since it is larger than the sum of its proper divisors (4541209).

79216871 is a wasteful number, since it uses less digits than its factorization.

79216871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18613.

The product of its digits is 42336, while the sum is 41.

The square root of 79216871 is about 8900.3860028653. The cubic root of 79216871 is about 429.4763248235.

The spelling of 79216871 in words is "seventy-nine million, two hundred sixteen thousand, eight hundred seventy-one".