852155761 has 2 divisors, whose sum is σ = 852155762. Its totient is φ = 852155760.

The previous prime is 852155737. The next prime is 852155779. The reversal of 852155761 is 167551258.

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., 634032400 + 218123361 = 25180^2 + 14769^2 .

It is a cyclic number.

It is not a de Polignac number, because 852155761 - 2⁵ = 852155729 is a prime.

It is not a weakly prime, because it can be changed into another prime (852155701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426077880 + 426077881.

It is an arithmetic number, because the mean of its divisors is an integer number (426077881).

Almost surely, 2^852155761 is an apocalyptic number.

It is an amenable number.

852155761 is a deficient number, since it is larger than the sum of its proper divisors (1).

852155761 is an equidigital number, since it uses as much as digits as its factorization.

852155761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 40.

The square root of 852155761 is about 29191.7070586836. The cubic root of 852155761 is about 948.0683783546.

The spelling of 852155761 in words is "eight hundred fifty-two million, one hundred fifty-five thousand, seven hundred sixty-one".