1327209888 has 96 divisors (see below), whose sum is σ = 3736756800. Its totient is φ = 411181056.

The previous prime is 1327209883. The next prime is 1327209889. The reversal of 1327209888 is 8889027231.

1327209888 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1327209888² = 3522972173609945088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1327209883) 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, 89808 + ... + 103536.

It is an arithmetic number, because the mean of its divisors is an integer number (38924550).

Almost surely, 2^1327209888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1327209888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868378400).

1327209888 is an abundant number, since it is smaller than the sum of its proper divisors (2409546912).

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

1327209888 is a wasteful number, since it uses less digits than its factorization.

1327209888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13814 (or 13806 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1327209888 is about 36430.8919462590. The cubic root of 1327209888 is about 1098.9548993843.

The spelling of 1327209888 in words is "one billion, three hundred twenty-seven million, two hundred nine thousand, eight hundred eighty-eight".