85804623 has 8 divisors (see below), whose sum is σ = 127118000. Its totient is φ = 57203064.

The previous prime is 85804619. The next prime is 85804643. The reversal of 85804623 is 32640858.

It is not a de Polignac number, because 85804623 - 2² = 85804619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85804603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588948 + ... + 1589001.

It is an arithmetic number, because the mean of its divisors is an integer number (15889750).

Almost surely, 2^85804623 is an apocalyptic number.

85804623 is a deficient number, since it is larger than the sum of its proper divisors (41313377).

85804623 is a wasteful number, since it uses less digits than its factorization.

85804623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177958 (or 3177952 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 85804623 is about 9263.0784839599. The cubic root of 85804623 is about 441.0659811499.

It can be divided in two parts, 8580 and 4623, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 85804623 in words is "eighty-five million, eight hundred four thousand, six hundred twenty-three".