85961066 has 8 divisors (see below), whose sum is σ = 129008964. Its totient is φ = 42958080.

The previous prime is 85961059. The next prime is 85961069. The reversal of 85961066 is 66016958.

It can be written as a sum of positive squares in 2 ways, for example, as 77810041 + 8151025 = 8821^2 + 2855^2 .

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

It is not an unprimeable number, because it can be changed into a prime (85961069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5945 + ... + 14396.

Almost surely, 2^85961066 is an apocalyptic number.

85961066 is a deficient number, since it is larger than the sum of its proper divisors (43047898).

85961066 is a wasteful number, since it uses less digits than its factorization.

85961066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22456.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 85961066 is about 9271.5190772602. The cubic root of 85961066 is about 441.3338757753. Note that the first 3 decimals are identical.

The spelling of 85961066 in words is "eighty-five million, nine hundred sixty-one thousand, sixty-six".