27885480 has 128 divisors (see below), whose sum is σ = 96940800. Its totient is φ = 6285312.

The previous prime is 27885469. The next prime is 27885509. The reversal of 27885480 is 8458872.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74574 + ... + 74946.

It is an arithmetic number, because the mean of its divisors is an integer number (757350).

Almost surely, 2^27885480 is an apocalyptic number.

27885480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27885480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48470400).

27885480 is an abundant number, since it is smaller than the sum of its proper divisors (69055320).

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

27885480 is a wasteful number, since it uses less digits than its factorization.

27885480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 27885480 is about 5280.6704119837. The cubic root of 27885480 is about 303.2443432011.

It can be divided in two parts, 278 and 85480, that added together give a palindrome (85758).

The spelling of 27885480 in words is "twenty-seven million, eight hundred eighty-five thousand, four hundred eighty".