27738357752 has 32 divisors (see below), whose sum is σ = 59457978720. Its totient is φ = 11884139520.

The previous prime is 27738357733. The next prime is 27738357767. The reversal of 27738357752 is 25775383772.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106352 + ... + 258432.

It is an arithmetic number, because the mean of its divisors is an integer number (1858061835).

Almost surely, 2^27738357752 is an apocalyptic number.

It is an amenable number.

27738357752 is an abundant number, since it is smaller than the sum of its proper divisors (31719620968).

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

27738357752 is a wasteful number, since it uses less digits than its factorization.

27738357752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155351 (or 155347 counting only the distinct ones).

The product of its digits is 17287200, while the sum is 56.

The spelling of 27738357752 in words is "twenty-seven billion, seven hundred thirty-eight million, three hundred fifty-seven thousand, seven hundred fifty-two".