85825826 has 8 divisors (see below), whose sum is σ = 136311660. Its totient is φ = 40388608.

The previous prime is 85825823. The next prime is 85825867. The reversal of 85825826 is 62852858.

It can be written as a sum of positive squares in 2 ways, for example, as 70576801 + 15249025 = 8401^2 + 3905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85825823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262111 + ... + 1262178.

Almost surely, 2^85825826 is an apocalyptic number.

85825826 is a deficient number, since it is larger than the sum of its proper divisors (50485834).

85825826 is a wasteful number, since it uses less digits than its factorization.

85825826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524308.

The product of its digits is 307200, while the sum is 44.

The square root of 85825826 is about 9264.2229031905. Note that the first 3 decimals coincide. The cubic root of 85825826 is about 441.1023084535.

The spelling of 85825826 in words is "eighty-five million, eight hundred twenty-five thousand, eight hundred twenty-six".