85723806 has 32 divisors (see below), whose sum is σ = 204461568. Its totient is φ = 23427360.

The previous prime is 85723793. The next prime is 85723831. The reversal of 85723806 is 60832758.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43405 + ... + 45336.

It is an arithmetic number, because the mean of its divisors is an integer number (6389424).

Almost surely, 2^85723806 is an apocalyptic number.

85723806 is an abundant number, since it is smaller than the sum of its proper divisors (118737762).

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

85723806 is a wasteful number, since it uses less digits than its factorization.

85723806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88776.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 85723806 is about 9258.7151376419. The cubic root of 85723806 is about 440.9274617041.

The spelling of 85723806 in words is "eighty-five million, seven hundred twenty-three thousand, eight hundred six".