785495617 has 2 divisors, whose sum is σ = 785495618. Its totient is φ = 785495616.

The previous prime is 785495611. The next prime is 785495647. The reversal of 785495617 is 716594587.

785495617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608312896 + 177182721 = 24664^2 + 13311^2 .

It is a cyclic number.

It is not a de Polignac number, because 785495617 - 2¹⁹ = 784971329 is a prime.

It is not a weakly prime, because it can be changed into another prime (785495611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392747808 + 392747809.

It is an arithmetic number, because the mean of its divisors is an integer number (392747809).

Almost surely, 2^785495617 is an apocalyptic number.

It is an amenable number.

785495617 is a deficient number, since it is larger than the sum of its proper divisors (1).

785495617 is an equidigital number, since it uses as much as digits as its factorization.

785495617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 52.

The square root of 785495617 is about 28026.6947212831. The cubic root of 785495617 is about 922.6732334780.

The spelling of 785495617 in words is "seven hundred eighty-five million, four hundred ninety-five thousand, six hundred seventeen".