27980597375 has 8 divisors (see below), whose sum is σ = 34919785680. Its totient is φ = 22384477800.

The previous prime is 27980597341. The next prime is 27980597387. The reversal of 27980597375 is 57379508972.

It is not a de Polignac number, because 27980597375 - 2¹⁸ = 27980335231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111922265 + ... + 111922514.

It is an arithmetic number, because the mean of its divisors is an integer number (4364973210).

Almost surely, 2^27980597375 is an apocalyptic number.

27980597375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27980597375 is a deficient number, since it is larger than the sum of its proper divisors (6939188305).

27980597375 is an equidigital number, since it uses as much as digits as its factorization.

27980597375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223844794 (or 223844784 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 62.

The spelling of 27980597375 in words is "twenty-seven billion, nine hundred eighty million, five hundred ninety-seven thousand, three hundred seventy-five".