328777276490 has 32 divisors (see below), whose sum is σ = 638191760976. Its totient is φ = 121229038080.

The previous prime is 328777276463. The next prime is 328777276493. The reversal of 328777276490 is 94672777823.

It can be written as a sum of positive squares in 8 ways, for example, as 121004492449 + 207772784041 = 347857^2 + 455821^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328777276493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629851 + ... + 1820430.

Almost surely, 2^328777276490 is an apocalyptic number.

328777276490 is a deficient number, since it is larger than the sum of its proper divisors (309414484486).

328777276490 is a wasteful number, since it uses less digits than its factorization.

328777276490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451034.

The product of its (nonzero) digits is 49787136, while the sum is 62.

The spelling of 328777276490 in words is "three hundred twenty-eight billion, seven hundred seventy-seven million, two hundred seventy-six thousand, four hundred ninety".