85243670 has 16 divisors (see below), whose sum is σ = 154649088. Its totient is φ = 33828480.

The previous prime is 85243649. The next prime is 85243699. The reversal of 85243670 is 7634258.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85243670.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 32291 + ... + 34830.

It is an arithmetic number, because the mean of its divisors is an integer number (9665568).

Almost surely, 2^85243670 is an apocalyptic number.

85243670 is a deficient number, since it is larger than the sum of its proper divisors (69405418).

85243670 is a wasteful number, since it uses less digits than its factorization.

85243670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67255.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 85243670 is about 9232.7498612277. The cubic root of 85243670 is about 440.1027136240.

The spelling of 85243670 in words is "eighty-five million, two hundred forty-three thousand, six hundred seventy".