85299863 has 8 divisors (see below), whose sum is σ = 98528400. Its totient is φ = 72983680.

The previous prime is 85299859. The next prime is 85299869. The reversal of 85299863 is 36899258.

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

It is not a de Polignac number, because 85299863 - 2² = 85299859 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 (85299869) 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, 227888 + ... + 228261.

It is an arithmetic number, because the mean of its divisors is an integer number (12316050).

Almost surely, 2^85299863 is an apocalyptic number.

85299863 is a deficient number, since it is larger than the sum of its proper divisors (13228537).

85299863 is a wasteful number, since it uses less digits than its factorization.

85299863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456177.

The product of its digits is 933120, while the sum is 50.

The square root of 85299863 is about 9235.7924944208. The cubic root of 85299863 is about 440.1993982598.

The spelling of 85299863 in words is "eighty-five million, two hundred ninety-nine thousand, eight hundred sixty-three".