85308999 has 8 divisors (see below), whose sum is σ = 113877120. Its totient is φ = 56806776.

The previous prime is 85308997. The next prime is 85309027. The reversal of 85308999 is 99980358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85308999 - 2¹ = 85308997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85308991) 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, 13369 + ... + 18690.

It is an arithmetic number, because the mean of its divisors is an integer number (14234640).

Almost surely, 2^85308999 is an apocalyptic number.

85308999 is a deficient number, since it is larger than the sum of its proper divisors (28568121).

85308999 is a wasteful number, since it uses less digits than its factorization.

85308999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32949.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 85308999 is about 9236.2870786913. The cubic root of 85308999 is about 440.2151134790.

The spelling of 85308999 in words is "eighty-five million, three hundred eight thousand, nine hundred ninety-nine".