27782434363 has 4 divisors (see below), whose sum is σ = 28028296728. Its totient is φ = 27536572000.

The previous prime is 27782434343. The next prime is 27782434373. The reversal of 27782434363 is 36343428772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27782434363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27782434343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122931013 + ... + 122931238.

It is an arithmetic number, because the mean of its divisors is an integer number (7007074182).

Almost surely, 2^27782434363 is an apocalyptic number.

27782434363 is a deficient number, since it is larger than the sum of its proper divisors (245862365).

27782434363 is a wasteful number, since it uses less digits than its factorization.

27782434363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245862364.

The product of its digits is 4064256, while the sum is 49.

The spelling of 27782434363 in words is "twenty-seven billion, seven hundred eighty-two million, four hundred thirty-four thousand, three hundred sixty-three".