83493679 has 4 divisors (see below), whose sum is σ = 83757384. Its totient is φ = 83229976.

The previous prime is 83493661. The next prime is 83493701. The reversal of 83493679 is 97639438.

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 83493679 - 2¹¹ = 83491631 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 (83493379) 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, 131377 + ... + 132010.

It is an arithmetic number, because the mean of its divisors is an integer number (20939346).

Almost surely, 2^83493679 is an apocalyptic number.

83493679 is a deficient number, since it is larger than the sum of its proper divisors (263705).

83493679 is a wasteful number, since it uses less digits than its factorization.

83493679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263704.

The product of its digits is 979776, while the sum is 49.

The square root of 83493679 is about 9137.4875649710. The cubic root of 83493679 is about 437.0702025608.

The spelling of 83493679 in words is "eighty-three million, four hundred ninety-three thousand, six hundred seventy-nine".