27984369375 has 80 divisors (see below), whose sum is σ = 54854316000. Its totient is φ = 14046912000.

The previous prime is 27984369323. The next prime is 27984369407. The reversal of 27984369375 is 57396348972.

27984369375 is a `hidden beast` number, since 27 + 98 + 436 + 93 + 7 + 5 = 666.

It is not a de Polignac number, because 27984369375 - 2¹⁵ = 27984336607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 238101 + ... + 335649.

It is an arithmetic number, because the mean of its divisors is an integer number (685678950).

Almost surely, 2^27984369375 is an apocalyptic number.

27984369375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27984369375 is a deficient number, since it is larger than the sum of its proper divisors (26869946625).

27984369375 is an equidigital number, since it uses as much as digits as its factorization.

27984369375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97595 (or 97574 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 27984369375 in words is "twenty-seven billion, nine hundred eighty-four million, three hundred sixty-nine thousand, three hundred seventy-five".