1328900578 has 16 divisors (see below), whose sum is σ = 2081246400. Its totient is φ = 635185936.

The previous prime is 1328900537. The next prime is 1328900597. The reversal of 1328900578 is 8750098231.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80148 + ... + 95296.

It is an arithmetic number, because the mean of its divisors is an integer number (130077900).

Almost surely, 2^1328900578 is an apocalyptic number.

1328900578 is a deficient number, since it is larger than the sum of its proper divisors (752345822).

1328900578 is a wasteful number, since it uses less digits than its factorization.

1328900578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17081.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1328900578 is about 36454.0886321411. The cubic root of 1328900578 is about 1099.4213424812.

The spelling of 1328900578 in words is "one billion, three hundred twenty-eight million, nine hundred thousand, five hundred seventy-eight".