85265650 has 24 divisors (see below), whose sum is σ = 162466164. Its totient is φ = 33273600.

The previous prime is 85265633. The next prime is 85265657. The reversal of 85265650 is 5656258.

It can be written as a sum of positive squares in 6 ways, for example, as 3236401 + 82029249 = 1799^2 + 9057^2 .

It is not an unprimeable number, because it can be changed into a prime (85265657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18747 + ... + 22846.

Almost surely, 2^85265650 is an apocalyptic number.

85265650 is a deficient number, since it is larger than the sum of its proper divisors (77200514).

85265650 is a wasteful number, since it uses less digits than its factorization.

85265650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41646 (or 41641 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 85265650 is about 9233.9401124330. The cubic root of 85265650 is about 440.1405370633.

The spelling of 85265650 in words is "eighty-five million, two hundred sixty-five thousand, six hundred fifty".