85061650 has 12 divisors (see below), whose sum is σ = 158214762. Its totient is φ = 34024640.

The previous prime is 85061579. The next prime is 85061653. The reversal of 85061650 is 5616058.

It can be written as a sum of positive squares in 3 ways, for example, as 45711121 + 39350529 = 6761^2 + 6273^2 .

It is not an unprimeable number, because it can be changed into a prime (85061653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 850567 + ... + 850666.

Almost surely, 2^85061650 is an apocalyptic number.

85061650 is a deficient number, since it is larger than the sum of its proper divisors (73153112).

85061650 is a wasteful number, since it uses less digits than its factorization.

85061650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701245 (or 1701240 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 85061650 is about 9222.8872919493. The cubic root of 85061650 is about 439.7892413499.

It can be divided in two parts, 850 and 61650, that added together give a square (62500 = 250²).

The spelling of 85061650 in words is "eighty-five million, sixty-one thousand, six hundred fifty".