328448787 has 4 divisors (see below), whose sum is σ = 437931720. Its totient is φ = 218965856.

The previous prime is 328448779. The next prime is 328448821. The reversal of 328448787 is 787844823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328448787 - 2³ = 328448779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328448767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54741462 + ... + 54741467.

It is an arithmetic number, because the mean of its divisors is an integer number (109482930).

Almost surely, 2^328448787 is an apocalyptic number.

328448787 is a deficient number, since it is larger than the sum of its proper divisors (109482933).

328448787 is a wasteful number, since it uses less digits than its factorization.

328448787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109482932.

The product of its digits is 2408448, while the sum is 51.

The square root of 328448787 is about 18123.1560993112. The cubic root of 328448787 is about 689.9578403142.

The spelling of 328448787 in words is "three hundred twenty-eight million, four hundred forty-eight thousand, seven hundred eighty-seven".