27780525060 has 48 divisors (see below), whose sum is σ = 80467732800. Its totient is φ = 7152686464.

The previous prime is 27780525053. The next prime is 27780525079. The reversal of 27780525060 is 6052508772.

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 15 ways as a sum of consecutive naturals, for example, 7981170 + ... + 7984649.

It is an arithmetic number, because the mean of its divisors is an integer number (1676411100).

Almost surely, 2^27780525060 is an apocalyptic number.

27780525060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27780525060 is an abundant number, since it is smaller than the sum of its proper divisors (52687207740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27780525060 is a wasteful number, since it uses less digits than its factorization.

27780525060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15965860 (or 15965858 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

It can be divided in two parts, 27 and 780525060, that added together give a palindrome (780525087).

The spelling of 27780525060 in words is "twenty-seven billion, seven hundred eighty million, five hundred twenty-five thousand, sixty".