85506358 has 32 divisors (see below), whose sum is σ = 149371200. Its totient is φ = 35956224.

The previous prime is 85506353. The next prime is 85506359. The reversal of 85506358 is 85360558.

It is a super-2 number, since 2×85506358² = 14622674516848328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85506358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85506353) by changing a digit.

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, 208858 + ... + 209266.

It is an arithmetic number, because the mean of its divisors is an integer number (4667850).

Almost surely, 2^85506358 is an apocalyptic number.

85506358 is a deficient number, since it is larger than the sum of its proper divisors (63864842).

85506358 is a wasteful number, since it uses less digits than its factorization.

85506358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 85506358 is about 9246.9647993274. The cubic root of 85506358 is about 440.5543254553.

The spelling of 85506358 in words is "eighty-five million, five hundred six thousand, three hundred fifty-eight".