85830578 has 8 divisors (see below), whose sum is σ = 129221760. Its totient is φ = 42756660.

The previous prime is 85830557. The next prime is 85830583. The reversal of 85830578 is 87503858.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78638 + ... + 79721.

It is an arithmetic number, because the mean of its divisors is an integer number (16152720).

Almost surely, 2^85830578 is an apocalyptic number.

85830578 is a deficient number, since it is larger than the sum of its proper divisors (43391182).

85830578 is a wasteful number, since it uses less digits than its factorization.

85830578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158632.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 85830578 is about 9264.4793701535. The cubic root of 85830578 is about 441.1104492801.

The spelling of 85830578 in words is "eighty-five million, eight hundred thirty thousand, five hundred seventy-eight".