1326888817 has 8 divisors (see below), whose sum is σ = 1335729600. Its totient is φ = 1318070160.

The previous prime is 1326888803. The next prime is 1326888833. The reversal of 1326888817 is 7188886231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1326888817 - 2²⁷ = 1192671089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326888887) 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, 124842 + ... + 135052.

It is an arithmetic number, because the mean of its divisors is an integer number (166966200).

Almost surely, 2^1326888817 is an apocalyptic number.

It is an amenable number.

1326888817 is a deficient number, since it is larger than the sum of its proper divisors (8840783).

1326888817 is a wasteful number, since it uses less digits than its factorization.

1326888817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063.

The product of its digits is 1032192, while the sum is 52.

The square root of 1326888817 is about 36426.4851035617. The cubic root of 1326888817 is about 1098.8662746164.

The spelling of 1326888817 in words is "one billion, three hundred twenty-six million, eight hundred eighty-eight thousand, eight hundred seventeen".