27764002512775 has 6 divisors (see below), whose sum is σ = 34427363115872. Its totient is φ = 22211202010200.

The previous prime is 27764002512761. The next prime is 27764002512803. The reversal of 27764002512775 is 57721520046772.

It is a de Polignac number, because none of the positive numbers 2^k-27764002512775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555280050231 + ... + 555280050280.

Almost surely, 2^{27764002512775} is an apocalyptic number.

27764002512775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27764002512775 is a deficient number, since it is larger than the sum of its proper divisors (6663360603097).

27764002512775 is a wasteful number, since it uses less digits than its factorization.

27764002512775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110560100521 (or 1110560100516 counting only the distinct ones).

The product of its (nonzero) digits is 11524800, while the sum is 55.

The spelling of 27764002512775 in words is "twenty-seven trillion, seven hundred sixty-four billion, two million, five hundred twelve thousand, seven hundred seventy-five".