27752752777775 has 12 divisors (see below), whose sum is σ = 34501879815000. Its totient is φ = 22145127144480.

The previous prime is 27752752777769. The next prime is 27752752777787. The reversal of 27752752777775 is 57777725725772.

It is a de Polignac number, because none of the positive numbers 2^k-27752752777775 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27752752777696 and 27752752777705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1426867025 + ... + 1426886474.

It is an arithmetic number, because the mean of its divisors is an integer number (2875156651250).

Almost surely, 2^{27752752777775} is an apocalyptic number.

27752752777775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27752752777775 is a deficient number, since it is larger than the sum of its proper divisors (6749127037225).

27752752777775 is a wasteful number, since it uses less digits than its factorization.

27752752777775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853753898 (or 2853753893 counting only the distinct ones).

The product of its digits is 5764801000, while the sum is 77.

The spelling of 27752752777775 in words is "twenty-seven trillion, seven hundred fifty-two billion, seven hundred fifty-two million, seven hundred seventy-seven thousand, seven hundred seventy-five".