27780550000033 has 4 divisors (see below), whose sum is σ = 27782126040240. Its totient is φ = 27778973959828.

The previous prime is 27780550000019. The next prime is 27780550000039. The reversal of 27780550000033 is 33000005508772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27780550000033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27780550000039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787993663 + ... + 788028916.

It is an arithmetic number, because the mean of its divisors is an integer number (6945531510060).

Almost surely, 2^{27780550000033} is an apocalyptic number.

It is an amenable number.

27780550000033 is a deficient number, since it is larger than the sum of its proper divisors (1576040207).

27780550000033 is a wasteful number, since it uses less digits than its factorization.

27780550000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576040206.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 27780550000033 in words is "twenty-seven trillion, seven hundred eighty billion, five hundred fifty million, thirty-three", and thus it is an aban number.