27800545124 has 24 divisors (see below), whose sum is σ = 53152686048. Its totient is φ = 12617821440.

The previous prime is 27800545117. The next prime is 27800545147. The reversal of 27800545124 is 42154500872.

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, 439802 + ... + 499025.

It is an arithmetic number, because the mean of its divisors is an integer number (2214695252).

Almost surely, 2^27800545124 is an apocalyptic number.

It is an amenable number.

27800545124 is a deficient number, since it is larger than the sum of its proper divisors (25352140924).

27800545124 is a wasteful number, since it uses less digits than its factorization.

27800545124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939515 (or 939513 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 27800545124 in words is "twenty-seven billion, eight hundred million, five hundred forty-five thousand, one hundred twenty-four".