85951099 has 16 divisors (see below), whose sum is σ = 101394720. Its totient is φ = 72092160.

The previous prime is 85951087. The next prime is 85951139. The reversal of 85951099 is 99015958.

It is a cyclic number.

It is not a de Polignac number, because 85951099 - 2⁷ = 85950971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85951009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297 + ... + 13114.

It is an arithmetic number, because the mean of its divisors is an integer number (6337170).

Almost surely, 2^85951099 is an apocalyptic number.

85951099 is a deficient number, since it is larger than the sum of its proper divisors (15443621).

85951099 is a wasteful number, since it uses less digits than its factorization.

85951099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470.

The product of its (nonzero) digits is 145800, while the sum is 46.

The square root of 85951099 is about 9270.9815553694. The cubic root of 85951099 is about 441.3168178793.

The spelling of 85951099 in words is "eighty-five million, nine hundred fifty-one thousand, ninety-nine".