96782221 has 2 divisors, whose sum is σ = 96782222. Its totient is φ = 96782220.

The previous prime is 96782209. The next prime is 96782239. The reversal of 96782221 is 12228769.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96236100 + 546121 = 9810^2 + 739^2 .

It is a cyclic number.

It is not a de Polignac number, because 96782221 - 2²¹ = 94685069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96782281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48391110 + 48391111.

It is an arithmetic number, because the mean of its divisors is an integer number (48391111).

Almost surely, 2^96782221 is an apocalyptic number.

It is an amenable number.

96782221 is a deficient number, since it is larger than the sum of its proper divisors (1).

96782221 is an equidigital number, since it uses as much as digits as its factorization.

96782221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 96782221 is about 9837.7955355862. The cubic root of 96782221 is about 459.1259726731.

The spelling of 96782221 in words is "ninety-six million, seven hundred eighty-two thousand, two hundred twenty-one".