27764795533 has 2 divisors, whose sum is σ = 27764795534. Its totient is φ = 27764795532.

The previous prime is 27764795501. The next prime is 27764795537. The reversal of 27764795533 is 33559746772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25881409129 + 1883386404 = 160877^2 + 43398^2 .

It is a cyclic number.

It is not a de Polignac number, because 27764795533 - 2⁵ = 27764795501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27764795537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13882397766 + 13882397767.

It is an arithmetic number, because the mean of its divisors is an integer number (13882397767).

Almost surely, 2^27764795533 is an apocalyptic number.

It is an amenable number.

27764795533 is a deficient number, since it is larger than the sum of its proper divisors (1).

27764795533 is an equidigital number, since it uses as much as digits as its factorization.

27764795533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33339600, while the sum is 58.

The spelling of 27764795533 in words is "twenty-seven billion, seven hundred sixty-four million, seven hundred ninety-five thousand, five hundred thirty-three".