85316677 has 2 divisors, whose sum is σ = 85316678. Its totient is φ = 85316676.

The previous prime is 85316611. The next prime is 85316711. The reversal of 85316677 is 77661358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76842756 + 8473921 = 8766^2 + 2911^2 .

It is a cyclic number.

It is not a de Polignac number, because 85316677 - 2¹¹ = 85314629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85316477) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42658338 + 42658339.

It is an arithmetic number, because the mean of its divisors is an integer number (42658339).

Almost surely, 2^85316677 is an apocalyptic number.

It is an amenable number.

85316677 is a deficient number, since it is larger than the sum of its proper divisors (1).

85316677 is an equidigital number, since it uses as much as digits as its factorization.

85316677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 85316677 is about 9236.7027125485. The cubic root of 85316677 is about 440.2283198632.

The spelling of 85316677 in words is "eighty-five million, three hundred sixteen thousand, six hundred seventy-seven".