85012650 has 144 divisors (see below), whose sum is σ = 245862240. Its totient is φ = 20995200.

The previous prime is 85012619. The next prime is 85012663. The reversal of 85012650 is 5621058.

85012650 is a `hidden beast` number, since 8 + 5 + 0 + 1 + 2 + 650 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 521469 + ... + 521631.

Almost surely, 2^85012650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85012650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122931120).

85012650 is an abundant number, since it is smaller than the sum of its proper divisors (160849590).

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

85012650 is a wasteful number, since it uses less digits than its factorization.

85012650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 85012650 is about 9220.2304743428. The cubic root of 85012650 is about 439.7047778575.

The spelling of 85012650 in words is "eighty-five million, twelve thousand, six hundred fifty".