328497788488 has 8 divisors (see below), whose sum is σ = 615933353430. Its totient is φ = 164248894240.

The previous prime is 328497788461. The next prime is 328497788497. The reversal of 328497788488 is 884887794823.

It can be written as a sum of positive squares in only one way, i.e., 321282645124 + 7215143364 = 566818^2 + 84942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×328497788488² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20531111773 + ... + 20531111788.

Almost surely, 2^328497788488 is an apocalyptic number.

It is an amenable number.

328497788488 is a deficient number, since it is larger than the sum of its proper divisors (287435564942).

328497788488 is a wasteful number, since it uses less digits than its factorization.

328497788488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41062223567 (or 41062223563 counting only the distinct ones).

The product of its digits is 1387266048, while the sum is 76.

The spelling of 328497788488 in words is "three hundred twenty-eight billion, four hundred ninety-seven million, seven hundred eighty-eight thousand, four hundred eighty-eight".