27982763875 has 16 divisors (see below), whose sum is σ = 38097262944. Its totient is φ = 20351100000.

The previous prime is 27982763873. The next prime is 27982763899. The reversal of 27982763875 is 57836728972.

It is not a de Polignac number, because 27982763875 - 2¹ = 27982763873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27982763873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10174176 + ... + 10176925.

It is an arithmetic number, because the mean of its divisors is an integer number (2381078934).

Almost surely, 2^27982763875 is an apocalyptic number.

27982763875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27982763875 is a deficient number, since it is larger than the sum of its proper divisors (10114499069).

27982763875 is a wasteful number, since it uses less digits than its factorization.

27982763875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20351127 (or 20351117 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 64.

The spelling of 27982763875 in words is "twenty-seven billion, nine hundred eighty-two million, seven hundred sixty-three thousand, eight hundred seventy-five".