85300091 has 4 divisors (see below), whose sum is σ = 85640184. Its totient is φ = 84960000.

The previous prime is 85300081. The next prime is 85300153. The reversal of 85300091 is 19000358.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85300091 is a prime.

It is a super-2 number, since 2×85300091² = 14552211049216562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85300091.

It is not an unprimeable number, because it can be changed into a prime (85300081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169670 + ... + 170171.

It is an arithmetic number, because the mean of its divisors is an integer number (21410046).

Almost surely, 2^85300091 is an apocalyptic number.

85300091 is a deficient number, since it is larger than the sum of its proper divisors (340093).

85300091 is a wasteful number, since it uses less digits than its factorization.

85300091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340092.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 85300091 is about 9235.8048376955. The cubic root of 85300091 is about 440.1997904659.

The spelling of 85300091 in words is "eighty-five million, three hundred thousand, ninety-one".