85571098 has 32 divisors (see below), whose sum is σ = 147709440. Its totient is φ = 36910080.

The previous prime is 85571071. The next prime is 85571107. The reversal of 85571098 is 89017558.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17890 + ... + 22162.

It is an arithmetic number, because the mean of its divisors is an integer number (4615920).

Almost surely, 2^85571098 is an apocalyptic number.

85571098 is a deficient number, since it is larger than the sum of its proper divisors (62138342).

85571098 is a wasteful number, since it uses less digits than its factorization.

85571098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342.

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 85571098 is about 9250.4647450817. The cubic root of 85571098 is about 440.6654840190.

The spelling of 85571098 in words is "eighty-five million, five hundred seventy-one thousand, ninety-eight".