85080761 has 2 divisors, whose sum is σ = 85080762. Its totient is φ = 85080760.

The previous prime is 85080739. The next prime is 85080811. The reversal of 85080761 is 16708058.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85008400 + 72361 = 9220^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 85080761 - 2¹⁴ = 85064377 is a prime.

It is not a weakly prime, because it can be changed into another prime (85080161) 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, 42540380 + 42540381.

It is an arithmetic number, because the mean of its divisors is an integer number (42540381).

Almost surely, 2^85080761 is an apocalyptic number.

It is an amenable number.

85080761 is a deficient number, since it is larger than the sum of its proper divisors (1).

85080761 is an equidigital number, since it uses as much as digits as its factorization.

85080761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 85080761 is about 9223.9232975996. The cubic root of 85080761 is about 439.8221750430.

The spelling of 85080761 in words is "eighty-five million, eighty thousand, seven hundred sixty-one".