27747520482 has 128 divisors (see below), whose sum is σ = 66394183680. Its totient is φ = 7642736640.

The previous prime is 27747520469. The next prime is 27747520501. The reversal of 27747520482 is 28402574772.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2409394 + ... + 2420882.

It is an arithmetic number, because the mean of its divisors is an integer number (518704560).

Almost surely, 2^27747520482 is an apocalyptic number.

27747520482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27747520482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33197091840).

27747520482 is an abundant number, since it is smaller than the sum of its proper divisors (38646663198).

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

27747520482 is a wasteful number, since it uses less digits than its factorization.

27747520482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11608.

The product of its (nonzero) digits is 1756160, while the sum is 48.

The spelling of 27747520482 in words is "twenty-seven billion, seven hundred forty-seven million, five hundred twenty thousand, four hundred eighty-two".