96777509 has 2 divisors, whose sum is σ = 96777510. Its totient is φ = 96777508.

The previous prime is 96777497. The next prime is 96777511. The reversal of 96777509 is 90577769.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82864609 + 13912900 = 9103^2 + 3730^2 .

It is a cyclic number.

It is not a de Polignac number, because 96777509 - 2²⁰ = 95728933 is a prime.

Together with 96777511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96777529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48388754 + 48388755.

It is an arithmetic number, because the mean of its divisors is an integer number (48388755).

Almost surely, 2^96777509 is an apocalyptic number.

It is an amenable number.

96777509 is a deficient number, since it is larger than the sum of its proper divisors (1).

96777509 is an equidigital number, since it uses as much as digits as its factorization.

96777509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 833490, while the sum is 50.

The square root of 96777509 is about 9837.5560481250. The cubic root of 96777509 is about 459.1185214537.

The spelling of 96777509 in words is "ninety-six million, seven hundred seventy-seven thousand, five hundred nine".