327423281647 has 32 divisors (see below), whose sum is σ = 417898414080. Its totient is φ = 249109507680.

The previous prime is 327423281639. The next prime is 327423281683. The reversal of 327423281647 is 746182324723.

It is not a de Polignac number, because 327423281647 - 2³ = 327423281639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 327423281647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327423281347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1408398 + ... + 1624324.

It is an arithmetic number, because the mean of its divisors is an integer number (13059325440).

Almost surely, 2^327423281647 is an apocalyptic number.

327423281647 is a deficient number, since it is larger than the sum of its proper divisors (90475132433).

327423281647 is a wasteful number, since it uses less digits than its factorization.

327423281647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216411.

The product of its digits is 2709504, while the sum is 49.

The spelling of 327423281647 in words is "three hundred twenty-seven billion, four hundred twenty-three million, two hundred eighty-one thousand, six hundred forty-seven".