85499313 has 8 divisors (see below), whose sum is σ = 115064928. Its totient is φ = 56466624.

The previous prime is 85499311. The next prime is 85499327. The reversal of 85499313 is 31399458.

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

It is not a de Polignac number, because 85499313 - 2¹ = 85499311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85499311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132856 + ... + 133497.

It is an arithmetic number, because the mean of its divisors is an integer number (14383116).

Almost surely, 2^85499313 is an apocalyptic number.

It is an amenable number.

85499313 is a deficient number, since it is larger than the sum of its proper divisors (29565615).

85499313 is a wasteful number, since it uses less digits than its factorization.

85499313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266463.

The product of its digits is 116640, while the sum is 42.

The square root of 85499313 is about 9246.5838556734. The cubic root of 85499313 is about 440.5422258074.

The spelling of 85499313 in words is "eighty-five million, four hundred ninety-nine thousand, three hundred thirteen".