85455099 has 12 divisors (see below), whose sum is σ = 124379112. Its totient is φ = 56534400.

The previous prime is 85455091. The next prime is 85455101. The reversal of 85455099 is 99055458.

85455099 is a `hidden beast` number, since 8 + 5 + 4 + 550 + 99 = 666.

It is not a de Polignac number, because 85455099 - 2³ = 85455091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85455091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35062 + ... + 37419.

It is an arithmetic number, because the mean of its divisors is an integer number (10364926).

Almost surely, 2^85455099 is an apocalyptic number.

85455099 is a deficient number, since it is larger than the sum of its proper divisors (38924013).

85455099 is a wasteful number, since it uses less digits than its factorization.

85455099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72618 (or 72615 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 85455099 is about 9244.1927175930. The cubic root of 85455099 is about 440.4662739593.

The spelling of 85455099 in words is "eighty-five million, four hundred fifty-five thousand, ninety-nine".