1328877573 has 8 divisors (see below), whose sum is σ = 1876062528. Its totient is φ = 833805504.

The previous prime is 1328877553. The next prime is 1328877587. The reversal of 1328877573 is 3757788231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1328877573 - 2⁵ = 1328877541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 26056423 = 1328877573 / (1 + 3 + 2 + 8 + 8 + 7 + 7 + 5 + 7 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328877553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13028161 + ... + 13028262.

It is an arithmetic number, because the mean of its divisors is an integer number (234507816).

Almost surely, 2^1328877573 is an apocalyptic number.

It is an amenable number.

1328877573 is a deficient number, since it is larger than the sum of its proper divisors (547184955).

1328877573 is a wasteful number, since it uses less digits than its factorization.

1328877573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26056443.

The product of its digits is 1975680, while the sum is 51.

The square root of 1328877573 is about 36453.7730968963. The cubic root of 1328877573 is about 1099.4149983061.

The spelling of 1328877573 in words is "one billion, three hundred twenty-eight million, eight hundred seventy-seven thousand, five hundred seventy-three".