27800546554 has 16 divisors (see below), whose sum is σ = 45497453760. Its totient is φ = 12635042560.

The previous prime is 27800546537. The next prime is 27800546567. The reversal of 27800546554 is 45564500872.

It is a super-2 number, since 2×27800546554² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 113067 + ... + 261505.

It is an arithmetic number, because the mean of its divisors is an integer number (2843590860).

Almost surely, 2^27800546554 is an apocalyptic number.

27800546554 is a deficient number, since it is larger than the sum of its proper divisors (17696907206).

27800546554 is a wasteful number, since it uses less digits than its factorization.

27800546554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156965.

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 27800546554 in words is "twenty-seven billion, eight hundred million, five hundred forty-six thousand, five hundred fifty-four".