27780300003 has 16 divisors (see below), whose sum is σ = 38052896000. Its totient is φ = 18014252256.

The previous prime is 27780299999. The next prime is 27780300071. The reversal of 27780300003 is 30000308772.

It is not a de Polignac number, because 27780300003 - 2² = 27780299999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27780300073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352626 + ... + 424152.

It is an arithmetic number, because the mean of its divisors is an integer number (2378306000).

Almost surely, 2^27780300003 is an apocalyptic number.

27780300003 is a deficient number, since it is larger than the sum of its proper divisors (10272595997).

27780300003 is a wasteful number, since it uses less digits than its factorization.

27780300003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75066.

The product of its (nonzero) digits is 7056, while the sum is 30.

Adding to 27780300003 its reverse (30000308772), we get a palindrome (57780608775).

The spelling of 27780300003 in words is "twenty-seven billion, seven hundred eighty million, three hundred thousand, three".