83716679 has 4 divisors (see below), whose sum is σ = 88122840. Its totient is φ = 79310520.

The previous prime is 83716651. The next prime is 83716691. The reversal of 83716679 is 97661738.

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

It is a cyclic number.

It is not a de Polignac number, because 83716679 - 2¹² = 83712583 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 (83716609) 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, 2203052 + ... + 2203089.

It is an arithmetic number, because the mean of its divisors is an integer number (22030710).

Almost surely, 2^83716679 is an apocalyptic number.

83716679 is a deficient number, since it is larger than the sum of its proper divisors (4406161).

83716679 is a wasteful number, since it uses less digits than its factorization.

83716679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406160.

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

The square root of 83716679 is about 9149.6819070392. The cubic root of 83716679 is about 437.4589745476.

The spelling of 83716679 in words is "eighty-three million, seven hundred sixteen thousand, six hundred seventy-nine".