85466797 has 8 divisors (see below), whose sum is σ = 92991416. Its totient is φ = 78077952.

The previous prime is 85466779. The next prime is 85466819. The reversal of 85466797 is 79766458.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6007401 + 79459396 = 2451^2 + 8914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85466797 - 2²³ = 77078189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85466737) 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 in 7 ways as a sum of consecutive naturals, for example, 32628 + ... + 35149.

It is an arithmetic number, because the mean of its divisors is an integer number (11623927).

Almost surely, 2^85466797 is an apocalyptic number.

It is an amenable number.

85466797 is a deficient number, since it is larger than the sum of its proper divisors (7524619).

85466797 is a wasteful number, since it uses less digits than its factorization.

85466797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67887.

The product of its digits is 2540160, while the sum is 52.

The square root of 85466797 is about 9244.8254174971. The cubic root of 85466797 is about 440.4863716068.

The spelling of 85466797 in words is "eighty-five million, four hundred sixty-six thousand, seven hundred ninety-seven".