79386871 has 8 divisors (see below), whose sum is σ = 80076800. Its totient is φ = 78700248.

The previous prime is 79386859. The next prime is 79386887. The reversal of 79386871 is 17868397.

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 79386871 - 2¹⁹ = 78862583 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 (79386971) 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, 72490 + ... + 73576.

It is an arithmetic number, because the mean of its divisors is an integer number (10009600).

Almost surely, 2^79386871 is an apocalyptic number.

79386871 is a deficient number, since it is larger than the sum of its proper divisors (689929).

79386871 is a wasteful number, since it uses less digits than its factorization.

79386871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its digits is 508032, while the sum is 49.

The square root of 79386871 is about 8909.9310322808. The cubic root of 79386871 is about 429.7833251257.

The spelling of 79386871 in words is "seventy-nine million, three hundred eighty-six thousand, eight hundred seventy-one".