79683671 has 4 divisors (see below), whose sum is σ = 82254144. Its totient is φ = 77113200.

The previous prime is 79683599. The next prime is 79683673. The reversal of 79683671 is 17638697.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79683671 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 (79683673) 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, 1285190 + ... + 1285251.

It is an arithmetic number, because the mean of its divisors is an integer number (20563536).

Almost surely, 2^79683671 is an apocalyptic number.

79683671 is a deficient number, since it is larger than the sum of its proper divisors (2570473).

79683671 is a wasteful number, since it uses less digits than its factorization.

79683671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570472.

The product of its digits is 381024, while the sum is 47.

The square root of 79683671 is about 8926.5710662045. The cubic root of 79683671 is about 430.3182626685.

The spelling of 79683671 in words is "seventy-nine million, six hundred eighty-three thousand, six hundred seventy-one".