85469099 has 6 divisors (see below), whose sum is σ = 86071140. Its totient is φ = 84868620.

The previous prime is 85469089. The next prime is 85469123. The reversal of 85469099 is 99096458.

It is a de Polignac number, because none of the positive numbers 2^k-85469099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85469039) 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 5 ways as a sum of consecutive naturals, for example, 123344 + ... + 124034.

It is an arithmetic number, because the mean of its divisors is an integer number (14345190).

Almost surely, 2^85469099 is an apocalyptic number.

85469099 is a deficient number, since it is larger than the sum of its proper divisors (602041).

85469099 is an frugal number, since it uses more digits than its factorization.

85469099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 85469099 is about 9244.9499187394. The cubic root of 85469099 is about 440.4903263220.

The spelling of 85469099 in words is "eighty-five million, four hundred sixty-nine thousand, ninety-nine".