320008541779 has 4 divisors (see below), whose sum is σ = 320009828184. Its totient is φ = 320007255376.

The previous prime is 320008541747. The next prime is 320008541791. The reversal of 320008541779 is 977145800023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 320008541779 - 2⁵ = 320008541747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320008541579) 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, 137557 + ... + 811750.

It is an arithmetic number, because the mean of its divisors is an integer number (80002457046).

Almost surely, 2^320008541779 is an apocalyptic number.

320008541779 is a deficient number, since it is larger than the sum of its proper divisors (1286405).

320008541779 is an equidigital number, since it uses as much as digits as its factorization.

320008541779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286404.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 320008541779 in words is "three hundred twenty billion, eight million, five hundred forty-one thousand, seven hundred seventy-nine".