79653 has 8 divisors (see below), whose sum is σ = 121408. Its totient is φ = 45504.

The previous prime is 79633. The next prime is 79657. The reversal of 79653 is 35697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79653 - 2⁵ = 79621 is a prime.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 79653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79657) 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, 1876 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (15176).

2⁷⁹⁶⁵³ is an apocalyptic number.

It is an amenable number.

79653 is a deficient number, since it is larger than the sum of its proper divisors (41755).

79653 is a wasteful number, since it uses less digits than its factorization.

79653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its digits is 5670, while the sum is 30.

The square root of 79653 is about 282.2286307234. The cubic root of 79653 is about 43.0263044391.

Subtracting from 79653 its reverse (35697), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 79653 in words is "seventy-nine thousand, six hundred fifty-three".