27328966520 has 16 divisors (see below), whose sum is σ = 61490174760. Its totient is φ = 10931586592.

The previous prime is 27328966517. The next prime is 27328966543. The reversal of 27328966520 is 2566982372.

It is a super-2 number, since 2×27328966520² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341612042 + ... + 341612121.

Almost surely, 2^27328966520 is an apocalyptic number.

27328966520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27328966520 is an abundant number, since it is smaller than the sum of its proper divisors (34161208240).

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

27328966520 is a wasteful number, since it uses less digits than its factorization.

27328966520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683224174 (or 683224170 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 27328966520 in words is "twenty-seven billion, three hundred twenty-eight million, nine hundred sixty-six thousand, five hundred twenty".