27780053239 has 2 divisors, whose sum is σ = 27780053240. Its totient is φ = 27780053238.

The previous prime is 27780053183. The next prime is 27780053267. The reversal of 27780053239 is 93235008772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27780053239 - 2¹³ = 27780045047 is a prime.

It is a super-2 number, since 2×27780053239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27780050239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13890026619 + 13890026620.

It is an arithmetic number, because the mean of its divisors is an integer number (13890026620).

Almost surely, 2^27780053239 is an apocalyptic number.

27780053239 is a deficient number, since it is larger than the sum of its proper divisors (1).

27780053239 is an equidigital number, since it uses as much as digits as its factorization.

27780053239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 27780053239 in words is "twenty-seven billion, seven hundred eighty million, fifty-three thousand, two hundred thirty-nine".