85000770 has 24 divisors (see below), whose sum is σ = 221002236. Its totient is φ = 22666848.

The previous prime is 85000733. The next prime is 85000777. The reversal of 85000770 is 7700058.

It can be written as a sum of positive squares in 2 ways, for example, as 76895361 + 8105409 = 8769^2 + 2847^2 .

It is not an unprimeable number, because it can be changed into a prime (85000777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472137 + ... + 472316.

Almost surely, 2^85000770 is an apocalyptic number.

85000770 is an abundant number, since it is smaller than the sum of its proper divisors (136001466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85000770 is a wasteful number, since it uses less digits than its factorization.

85000770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944466 (or 944463 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 85000770 is about 9219.5862163114. The cubic root of 85000770 is about 439.6842948819.

The spelling of 85000770 in words is "eighty-five million, seven hundred seventy", and thus it is an aban number.