96559781 has 2 divisors, whose sum is σ = 96559782. Its totient is φ = 96559780.

The previous prime is 96559769. The next prime is 96559817. The reversal of 96559781 is 18795569.

It is a happy number.

Together with next prime (96559817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94750756 + 1809025 = 9734^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 96559781 - 2¹⁰ = 96558757 is a prime.

It is a super-2 number, since 2×96559781² = 18647582613535922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96559181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48279890 + 48279891.

It is an arithmetic number, because the mean of its divisors is an integer number (48279891).

Almost surely, 2^96559781 is an apocalyptic number.

It is an amenable number.

96559781 is a deficient number, since it is larger than the sum of its proper divisors (1).

96559781 is an equidigital number, since it uses as much as digits as its factorization.

96559781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 50.

The square root of 96559781 is about 9826.4836538815. The cubic root of 96559781 is about 458.7739578694.

The spelling of 96559781 in words is "ninety-six million, five hundred fifty-nine thousand, seven hundred eighty-one".