79843999146653 has 8 divisors (see below), whose sum is σ = 93475901440320. Its totient is φ = 66768501028320.

The previous prime is 79843999146647. The next prime is 79843999146679. The reversal of 79843999146653 is 35664199934897.

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

It is not a de Polignac number, because 79843999146653 - 2²⁰ = 79843998098077 is a prime.

It is a super-2 number, since 2×79843999146653² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79843999146053) 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, 139101043523 + ... + 139101044096.

It is an arithmetic number, because the mean of its divisors is an integer number (11684487680040).

Almost surely, 2^{79843999146653} is an apocalyptic number.

It is an amenable number.

79843999146653 is a deficient number, since it is larger than the sum of its proper divisors (13631902293667).

79843999146653 is a wasteful number, since it uses less digits than its factorization.

79843999146653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278202087667.

The product of its digits is 9523422720, while the sum is 83.

The spelling of 79843999146653 in words is "seventy-nine trillion, eight hundred forty-three billion, nine hundred ninety-nine million, one hundred forty-six thousand, six hundred fifty-three".