85228899 has 8 divisors (see below), whose sum is σ = 129872640. Its totient is φ = 48702216.

The previous prime is 85228877. The next prime is 85228903. The reversal of 85228899 is 99882258.

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

It is not a de Polignac number, because 85228899 - 2⁵ = 85228867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85228499) 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, 2029239 + ... + 2029280.

It is an arithmetic number, because the mean of its divisors is an integer number (16234080).

Almost surely, 2^85228899 is an apocalyptic number.

85228899 is a deficient number, since it is larger than the sum of its proper divisors (44643741).

85228899 is a wasteful number, since it uses less digits than its factorization.

85228899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058529.

The product of its digits is 829440, while the sum is 51.

The square root of 85228899 is about 9231.9499023771. The cubic root of 85228899 is about 440.0772918626.

The spelling of 85228899 in words is "eighty-five million, two hundred twenty-eight thousand, eight hundred ninety-nine".