201679793 has 8 divisors (see below), whose sum is σ = 231766080. Its totient is φ = 171912240.

The previous prime is 201679763. The next prime is 201679853. The reversal of 201679793 is 397976102.

It is a happy number.

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 201679793 - 2⁸ = 201679537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201679733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78323 + ... + 80856.

It is an arithmetic number, because the mean of its divisors is an integer number (28970760).

Almost surely, 2^201679793 is an apocalyptic number.

It is an amenable number.

201679793 is a deficient number, since it is larger than the sum of its proper divisors (30086287).

201679793 is a wasteful number, since it uses less digits than its factorization.

201679793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159367.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 201679793 is about 14201.4010928500. The cubic root of 201679793 is about 586.4362333578.

The spelling of 201679793 in words is "two hundred one million, six hundred seventy-nine thousand, seven hundred ninety-three".