85573850 has 24 divisors (see below), whose sum is σ = 161782428. Its totient is φ = 33667200.

The previous prime is 85573837. The next prime is 85573861. The reversal of 85573850 is 5837558.

It can be written as a sum of positive squares in 6 ways, for example, as 10699441 + 74874409 = 3271^2 + 8653^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 85573798 and 85573807.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10979 + ... + 17078.

Almost surely, 2^85573850 is an apocalyptic number.

85573850 is a deficient number, since it is larger than the sum of its proper divisors (76208578).

85573850 is a wasteful number, since it uses less digits than its factorization.

85573850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28130 (or 28125 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 85573850 is about 9250.6134931690. The cubic root of 85573850 is about 440.6702079598.

The spelling of 85573850 in words is "eighty-five million, five hundred seventy-three thousand, eight hundred fifty".