85855825 has 12 divisors (see below), whose sum is σ = 116139888. Its totient is φ = 62440400.

The previous prime is 85855807. The next prime is 85855843. The reversal of 85855825 is 52855858.

It is an interprime number because it is at equal distance from previous prime (85855807) and next prime (85855843).

It is not a de Polignac number, because 85855825 - 2¹³ = 85847633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155827 + ... + 156376.

It is an arithmetic number, because the mean of its divisors is an integer number (9678324).

Almost surely, 2^85855825 is an apocalyptic number.

It is an amenable number.

85855825 is a deficient number, since it is larger than the sum of its proper divisors (30284063).

85855825 is a wasteful number, since it uses less digits than its factorization.

85855825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312224 (or 312219 counting only the distinct ones).

The product of its digits is 640000, while the sum is 46.

The square root of 85855825 is about 9265.8418397898. The cubic root of 85855825 is about 441.1536958091.

The spelling of 85855825 in words is "eighty-five million, eight hundred fifty-five thousand, eight hundred twenty-five".