85098077 has 2 divisors, whose sum is σ = 85098078. Its totient is φ = 85098076.

The previous prime is 85098061. The next prime is 85098173. The reversal of 85098077 is 77089058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80174116 + 4923961 = 8954^2 + 2219^2 .

It is a cyclic number.

It is not a de Polignac number, because 85098077 - 2⁴ = 85098061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85098037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42549038 + 42549039.

It is an arithmetic number, because the mean of its divisors is an integer number (42549039).

Almost surely, 2^85098077 is an apocalyptic number.

It is an amenable number.

85098077 is a deficient number, since it is larger than the sum of its proper divisors (1).

85098077 is an equidigital number, since it uses as much as digits as its factorization.

85098077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 85098077 is about 9224.8618959852. The cubic root of 85098077 is about 439.8520111817.

The spelling of 85098077 in words is "eighty-five million, ninety-eight thousand, seventy-seven".