27799105959 has 24 divisors (see below), whose sum is σ = 44090963280. Its totient is φ = 17442573696.

The previous prime is 27799105897. The next prime is 27799105967. The reversal of 27799105959 is 95950199772.

27799105959 is a `hidden beast` number, since 27 + 7 + 9 + 9 + 10 + 595 + 9 = 666.

It is not a de Polignac number, because 27799105959 - 2¹⁷ = 27798974887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27799105896 and 27799105905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27799105759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3360564 + ... + 3368825.

It is an arithmetic number, because the mean of its divisors is an integer number (1837123470).

Almost surely, 2^27799105959 is an apocalyptic number.

27799105959 is a deficient number, since it is larger than the sum of its proper divisors (16291857321).

27799105959 is an equidigital number, since it uses as much as digits as its factorization.

27799105959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729421 (or 6729409 counting only the distinct ones).

The product of its (nonzero) digits is 16074450, while the sum is 63.

The spelling of 27799105959 in words is "twenty-seven billion, seven hundred ninety-nine million, one hundred five thousand, nine hundred fifty-nine".