79323553 has 8 divisors (see below), whose sum is σ = 81043200. Its totient is φ = 77616528.

The previous prime is 79323529. The next prime is 79323571. The reversal of 79323553 is 35532397.

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 79323553 - 2¹⁷ = 79192481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79323583) 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, 10143 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (10130400).

Almost surely, 2^79323553 is an apocalyptic number.

It is an amenable number.

79323553 is a deficient number, since it is larger than the sum of its proper divisors (1719647).

79323553 is a wasteful number, since it uses less digits than its factorization.

79323553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311.

The product of its digits is 85050, while the sum is 37.

The square root of 79323553 is about 8906.3770973387. The cubic root of 79323553 is about 429.6690314213.

The spelling of 79323553 in words is "seventy-nine million, three hundred twenty-three thousand, five hundred fifty-three".