27922839489 has 24 divisors (see below), whose sum is σ = 42467572160. Its totient is φ = 17630579232.

The previous prime is 27922839479. The next prime is 27922839491. The reversal of 27922839489 is 98493822972.

27922839489 is a `hidden beast` number, since 2 + 79 + 2 + 2 + 83 + 9 + 489 = 666.

It is not a de Polignac number, because 27922839489 - 2⁷ = 27922839361 is a prime.

It is a super-2 number, since 2×27922839489² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27922839479) 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, 653547 + ... + 694959.

Almost surely, 2^27922839489 is an apocalyptic number.

It is an amenable number.

27922839489 is a deficient number, since it is larger than the sum of its proper divisors (14544732671).

27922839489 is a wasteful number, since it uses less digits than its factorization.

27922839489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45381 (or 45378 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 27922839489 in words is "twenty-seven billion, nine hundred twenty-two million, eight hundred thirty-nine thousand, four hundred eighty-nine".