275852397797 has 2 divisors, whose sum is σ = 275852397798. Its totient is φ = 275852397796.

The previous prime is 275852397719. The next prime is 275852397833. The reversal of 275852397797 is 797793258572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256685102881 + 19167294916 = 506641^2 + 138446^2 .

It is a cyclic number.

It is not a de Polignac number, because 275852397797 - 2¹⁰ = 275852396773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275852397797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275852397097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137926198898 + 137926198899.

It is an arithmetic number, because the mean of its divisors is an integer number (137926198899).

Almost surely, 2^275852397797 is an apocalyptic number.

It is an amenable number.

275852397797 is a deficient number, since it is larger than the sum of its proper divisors (1).

275852397797 is an equidigital number, since it uses as much as digits as its factorization.

275852397797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466754400, while the sum is 71.

The spelling of 275852397797 in words is "two hundred seventy-five billion, eight hundred fifty-two million, three hundred ninety-seven thousand, seven hundred ninety-seven".