326877479823 has 16 divisors (see below), whose sum is σ = 449922640896. Its totient is φ = 210876155520.

The previous prime is 326877479767. The next prime is 326877479827. The reversal of 326877479823 is 328974778623.

It is a Cunningham number, because it is equal to 571732²-1.

It is not a de Polignac number, because 326877479823 - 2¹³ = 326877471631 is a prime.

It is a super-2 number, since 2×326877479823² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326877479827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1619911 + ... + 1810487.

It is an arithmetic number, because the mean of its divisors is an integer number (28120165056).

Almost surely, 2^326877479823 is an apocalyptic number.

326877479823 is a deficient number, since it is larger than the sum of its proper divisors (123045161073).

326877479823 is a wasteful number, since it uses less digits than its factorization.

326877479823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209054.

The product of its digits is 170698752, while the sum is 66.

The spelling of 326877479823 in words is "three hundred twenty-six billion, eight hundred seventy-seven million, four hundred seventy-nine thousand, eight hundred twenty-three".