1327785264 has 80 divisors (see below), whose sum is σ = 4104424800. Its totient is φ = 408547584.

The previous prime is 1327785253. The next prime is 1327785299. The reversal of 1327785264 is 4625877231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112599 + ... + 123830.

It is an arithmetic number, because the mean of its divisors is an integer number (51305310).

Almost surely, 2^1327785264 is an apocalyptic number.

It is an amenable number.

1327785264 is an abundant number, since it is smaller than the sum of its proper divisors (2776639536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1327785264 is a wasteful number, since it uses less digits than its factorization.

1327785264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236459 (or 236447 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 1327785264 is about 36438.7879051979. The cubic root of 1327785264 is about 1099.1136838458.

The spelling of 1327785264 in words is "one billion, three hundred twenty-seven million, seven hundred eighty-five thousand, two hundred sixty-four".