85961012 has 12 divisors (see below), whose sum is σ = 151983300. Its totient is φ = 42537216.

The previous prime is 85961011. The next prime is 85961033. The reversal of 85961012 is 21016958.

It can be written as a sum of positive squares in 2 ways, for example, as 21864976 + 64096036 = 4676^2 + 8006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85961012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85961011) 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, 110387 + ... + 111162.

It is an arithmetic number, because the mean of its divisors is an integer number (12665275).

Almost surely, 2^85961012 is an apocalyptic number.

It is an amenable number.

85961012 is a deficient number, since it is larger than the sum of its proper divisors (66022288).

85961012 is a wasteful number, since it uses less digits than its factorization.

85961012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221650 (or 221648 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 85961012 is about 9271.5161651156. The cubic root of 85961012 is about 441.3337833612. Note that the first 3 decimals are identical.

The spelling of 85961012 in words is "eighty-five million, nine hundred sixty-one thousand, twelve".