27803030530 has 64 divisors (see below), whose sum is σ = 55504071936. Its totient is φ = 9943200000.

The previous prime is 27803030491. The next prime is 27803030531. The reversal of 27803030530 is 3503030872.

It is a super-2 number, since 2×27803030530² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27803030492 and 27803030501.

It is not an unprimeable number, because it can be changed into a prime (27803030531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1669324 + ... + 1685896.

It is an arithmetic number, because the mean of its divisors is an integer number (867251124).

Almost surely, 2^27803030530 is an apocalyptic number.

27803030530 is a deficient number, since it is larger than the sum of its proper divisors (27701041406).

27803030530 is a wasteful number, since it uses less digits than its factorization.

27803030530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16843.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 27803030530 in words is "twenty-seven billion, eight hundred three million, thirty thousand, five hundred thirty".