85623086 has 4 divisors (see below), whose sum is σ = 128434632. Its totient is φ = 42811542.

The previous prime is 85623079. The next prime is 85623091. The reversal of 85623086 is 68032658.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21405770 + ... + 21405773.

It is an arithmetic number, because the mean of its divisors is an integer number (32108658).

Almost surely, 2^85623086 is an apocalyptic number.

85623086 is a deficient number, since it is larger than the sum of its proper divisors (42811546).

85623086 is a wasteful number, since it uses less digits than its factorization.

85623086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42811545.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 85623086 is about 9253.2743393893. The cubic root of 85623086 is about 440.7547068206.

The spelling of 85623086 in words is "eighty-five million, six hundred twenty-three thousand, eighty-six".