27873314409 has 16 divisors (see below), whose sum is σ = 37606479872. Its totient is φ = 18361960848.

The previous prime is 27873314407. The next prime is 27873314411. The reversal of 27873314409 is 90441337872.

It is an interprime number because it is at equal distance from previous prime (27873314407) and next prime (27873314411).

It is not a de Polignac number, because 27873314409 - 2¹ = 27873314407 is a prime.

It is a super-2 number, since 2×27873314409² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27873314401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45654 + ... + 240480.

It is an arithmetic number, because the mean of its divisors is an integer number (2350404992).

Almost surely, 2^27873314409 is an apocalyptic number.

It is an amenable number.

27873314409 is a deficient number, since it is larger than the sum of its proper divisors (9733165463).

27873314409 is a wasteful number, since it uses less digits than its factorization.

27873314409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195396.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 27873314409 in words is "twenty-seven billion, eight hundred seventy-three million, three hundred fourteen thousand, four hundred nine".