65331788327 has 16 divisors (see below), whose sum is σ = 71747115552. Its totient is φ = 59126630400.

The previous prime is 65331788311. The next prime is 65331788339. The reversal of 65331788327 is 72388713356.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65331788327 - 2⁴ = 65331788311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65331788387) 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, 107174 + ... + 377027.

It is an arithmetic number, because the mean of its divisors is an integer number (4484194722).

Almost surely, 2^65331788327 is an apocalyptic number.

65331788327 is a deficient number, since it is larger than the sum of its proper divisors (6415327225).

65331788327 is a wasteful number, since it uses less digits than its factorization.

65331788327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484418.

The product of its digits is 5080320, while the sum is 53.

The spelling of 65331788327 in words is "sixty-five billion, three hundred thirty-one million, seven hundred eighty-eight thousand, three hundred twenty-seven".