85797706 has 4 divisors (see below), whose sum is σ = 128696562. Its totient is φ = 42898852.

The previous prime is 85797667. The next prime is 85797727. The reversal of 85797706 is 60779758.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 58140625 + 27657081 = 7625^2 + 5259^2 .

It is a super-2 number, since 2×85797706² = 14722492709724872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 85797706.

It is an unprimeable number.

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, 21449425 + ... + 21449428.

Almost surely, 2^85797706 is an apocalyptic number.

85797706 is a deficient number, since it is larger than the sum of its proper divisors (42898856).

85797706 is a wasteful number, since it uses less digits than its factorization.

85797706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42898855.

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 85797706 is about 9262.7051124388. The cubic root of 85797706 is about 441.0541288927.

The spelling of 85797706 in words is "eighty-five million, seven hundred ninety-seven thousand, seven hundred six".