27840788933 has 2 divisors, whose sum is σ = 27840788934. Its totient is φ = 27840788932.

The previous prime is 27840788893. The next prime is 27840788951. The reversal of 27840788933 is 33988704872.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25836704644 + 2004084289 = 160738^2 + 44767^2 .

It is a cyclic number.

It is not a de Polignac number, because 27840788933 - 2¹⁸ = 27840526789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27840788033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13920394466 + 13920394467.

It is an arithmetic number, because the mean of its divisors is an integer number (13920394467).

Almost surely, 2^27840788933 is an apocalyptic number.

It is an amenable number.

27840788933 is a deficient number, since it is larger than the sum of its proper divisors (1).

27840788933 is an equidigital number, since it uses as much as digits as its factorization.

27840788933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16257024, while the sum is 59.

The spelling of 27840788933 in words is "twenty-seven billion, eight hundred forty million, seven hundred eighty-eight thousand, nine hundred thirty-three".