27752752775 has 48 divisors (see below), whose sum is σ = 40525263360. Its totient is φ = 18640406400.

The previous prime is 27752752733. The next prime is 27752752793. The reversal of 27752752775 is 57725725772.

It is not a de Polignac number, because 27752752775 - 2¹² = 27752748679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27752752775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107774 + ... + 259076.

It is an arithmetic number, because the mean of its divisors is an integer number (844276320).

Almost surely, 2^27752752775 is an apocalyptic number.

27752752775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27752752775 is a deficient number, since it is larger than the sum of its proper divisors (12772510585).

27752752775 is a wasteful number, since it uses less digits than its factorization.

27752752775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151376 (or 151371 counting only the distinct ones).

The product of its digits is 16807000, while the sum is 56.

The spelling of 27752752775 in words is "twenty-seven billion, seven hundred fifty-two million, seven hundred fifty-two thousand, seven hundred seventy-five".