27763465455 has 48 divisors (see below), whose sum is σ = 52747194240. Its totient is φ = 13397227200.

The previous prime is 27763465381. The next prime is 27763465469. The reversal of 27763465455 is 55456436772.

27763465455 is a `hidden beast` number, since 2 + 77 + 63 + 4 + 65 + 455 = 666.

It is not a de Polignac number, because 27763465455 - 2¹⁰ = 27763464431 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 28465 + ... + 237354.

It is an arithmetic number, because the mean of its divisors is an integer number (1098899880).

Almost surely, 2^27763465455 is an apocalyptic number.

27763465455 is a deficient number, since it is larger than the sum of its proper divisors (24983728785).

27763465455 is a wasteful number, since it uses less digits than its factorization.

27763465455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266052 (or 266049 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 54.

The spelling of 27763465455 in words is "twenty-seven billion, seven hundred sixty-three million, four hundred sixty-five thousand, four hundred fifty-five".