27752487532 has 48 divisors (see below), whose sum is σ = 61543560960. Its totient is φ = 10635393600.

The previous prime is 27752487517. The next prime is 27752487557. The reversal of 27752487532 is 23578425772.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27752487532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719782 + ... + 757357.

It is an arithmetic number, because the mean of its divisors is an integer number (1282157520).

Almost surely, 2^27752487532 is an apocalyptic number.

27752487532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27752487532 is an abundant number, since it is smaller than the sum of its proper divisors (33791073428).

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

27752487532 is a wasteful number, since it uses less digits than its factorization.

27752487532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477222 (or 1477220 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 52.

The spelling of 27752487532 in words is "twenty-seven billion, seven hundred fifty-two million, four hundred eighty-seven thousand, five hundred thirty-two".