85873570 has 8 divisors (see below), whose sum is σ = 154572444. Its totient is φ = 34349424.

The previous prime is 85873561. The next prime is 85873583. The reversal of 85873570 is 7537858.

It can be written as a sum of positive squares in 2 ways, for example, as 73462041 + 12411529 = 8571^2 + 3523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 4293669 + ... + 4293688.

Almost surely, 2^85873570 is an apocalyptic number.

85873570 is a deficient number, since it is larger than the sum of its proper divisors (68698874).

85873570 is a wasteful number, since it uses less digits than its factorization.

85873570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8587364.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 85873570 is about 9266.7993395778. The cubic root of 85873570 is about 441.1840868088.

The spelling of 85873570 in words is "eighty-five million, eight hundred seventy-three thousand, five hundred seventy".