85085826 has 32 divisors (see below), whose sum is σ = 201191040. Its totient is φ = 23471616.

The previous prime is 85085821. The next prime is 85085827. The reversal of 85085826 is 62858058.

It is a super-2 number, since 2×85085826² = 14479195572204552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85085821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33711 + ... + 36146.

It is an arithmetic number, because the mean of its divisors is an integer number (6287220).

Almost surely, 2^85085826 is an apocalyptic number.

85085826 is an abundant number, since it is smaller than the sum of its proper divisors (116105214).

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

85085826 is a wasteful number, since it uses less digits than its factorization.

85085826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69898.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 85085826 is about 9224.1978513039. The cubic root of 85085826 is about 439.8309026530.

The spelling of 85085826 in words is "eighty-five million, eighty-five thousand, eight hundred twenty-six".