326779281275 has 6 divisors (see below), whose sum is σ = 405206308812. Its totient is φ = 261423425000.

The previous prime is 326779281253. The next prime is 326779281277. The reversal of 326779281275 is 572182977623.

It is a de Polignac number, because none of the positive numbers 2^k-326779281275 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326779281277) 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 5 ways as a sum of consecutive naturals, for example, 6535585601 + ... + 6535585650.

It is an arithmetic number, because the mean of its divisors is an integer number (67534384802).

Almost surely, 2^326779281275 is an apocalyptic number.

326779281275 is a deficient number, since it is larger than the sum of its proper divisors (78427027537).

326779281275 is a wasteful number, since it uses less digits than its factorization.

326779281275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071171261 (or 13071171256 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 59.

The spelling of 326779281275 in words is "three hundred twenty-six billion, seven hundred seventy-nine million, two hundred eighty-one thousand, two hundred seventy-five".