1328557467 has 16 divisors (see below), whose sum is σ = 1798917120. Its totient is φ = 871987200.

The previous prime is 1328557453. The next prime is 1328557471. The reversal of 1328557467 is 7647558231.

It is not a de Polignac number, because 1328557467 - 2¹¹ = 1328555419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1328557427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159742 + ... + 167852.

It is an arithmetic number, because the mean of its divisors is an integer number (112432320).

Almost surely, 2^1328557467 is an apocalyptic number.

1328557467 is a deficient number, since it is larger than the sum of its proper divisors (470359653).

1328557467 is an equidigital number, since it uses as much as digits as its factorization.

1328557467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8954.

The product of its digits is 1411200, while the sum is 48.

The square root of 1328557467 is about 36449.3822581398. The cubic root of 1328557467 is about 1099.3267138756.

The spelling of 1328557467 in words is "one billion, three hundred twenty-eight million, five hundred fifty-seven thousand, four hundred sixty-seven".