95778521 has 2 divisors, whose sum is σ = 95778522. Its totient is φ = 95778520.

The previous prime is 95778511. The next prime is 95778581. The reversal of 95778521 is 12587759.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87684496 + 8094025 = 9364^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 95778521 - 2⁶ = 95778457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (95778511) 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, 47889260 + 47889261.

It is an arithmetic number, because the mean of its divisors is an integer number (47889261).

Almost surely, 2^95778521 is an apocalyptic number.

It is an amenable number.

95778521 is a deficient number, since it is larger than the sum of its proper divisors (1).

95778521 is an equidigital number, since it uses as much as digits as its factorization.

95778521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 44.

The square root of 95778521 is about 9786.6501419025. The cubic root of 95778521 is about 457.5333006507.

The spelling of 95778521 in words is "ninety-five million, seven hundred seventy-eight thousand, five hundred twenty-one".