85196899 has 4 divisors (see below), whose sum is σ = 88901136. Its totient is φ = 81492664.

The previous prime is 85196879. The next prime is 85196953. The reversal of 85196899 is 99869158.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99869158 = 2 ⋅49934579.

It is a cyclic number.

It is not a de Polignac number, because 85196899 - 2¹³ = 85188707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85196869) 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, 1852084 + ... + 1852129.

It is an arithmetic number, because the mean of its divisors is an integer number (22225284).

Almost surely, 2^85196899 is an apocalyptic number.

85196899 is a deficient number, since it is larger than the sum of its proper divisors (3704237).

85196899 is a wasteful number, since it uses less digits than its factorization.

85196899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704236.

The product of its digits is 1399680, while the sum is 55.

The square root of 85196899 is about 9230.2166280104. The cubic root of 85196899 is about 440.0222079011.

The spelling of 85196899 in words is "eighty-five million, one hundred ninety-six thousand, eight hundred ninety-nine".