27853428373 has 2 divisors, whose sum is σ = 27853428374. Its totient is φ = 27853428372.

The previous prime is 27853428367. The next prime is 27853428377. The reversal of 27853428373 is 37382435872.

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., 15291053649 + 12562374724 = 123657^2 + 112082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27853428373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27853428373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27853428377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13926714186 + 13926714187.

It is an arithmetic number, because the mean of its divisors is an integer number (13926714187).

Almost surely, 2^27853428373 is an apocalyptic number.

It is an amenable number.

27853428373 is a deficient number, since it is larger than the sum of its proper divisors (1).

27853428373 is an equidigital number, since it uses as much as digits as its factorization.

27853428373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 52.

The spelling of 27853428373 in words is "twenty-seven billion, eight hundred fifty-three million, four hundred twenty-eight thousand, three hundred seventy-three".