328263076777 has 4 divisors (see below), whose sum is σ = 328277890260. Its totient is φ = 328248263296.

The previous prime is 328263076759. The next prime is 328263076793. The reversal of 328263076777 is 777670362823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 777670362823 = 163 ⋅4770983821.

It can be written as a sum of positive squares in 2 ways, for example, as 135608799001 + 192654277776 = 368251^2 + 438924^2 .

It is a cyclic number.

It is not a de Polignac number, because 328263076777 - 2¹⁵ = 328263044009 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328263079777) 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, 7373452 + ... + 7417837.

It is an arithmetic number, because the mean of its divisors is an integer number (82069472565).

Almost surely, 2^328263076777 is an apocalyptic number.

It is an amenable number.

328263076777 is a deficient number, since it is larger than the sum of its proper divisors (14813483).

328263076777 is a wasteful number, since it uses less digits than its factorization.

328263076777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14813482.

The product of its (nonzero) digits is 24893568, while the sum is 58.

The spelling of 328263076777 in words is "three hundred twenty-eight billion, two hundred sixty-three million, seventy-six thousand, seven hundred seventy-seven".