85863412 has 12 divisors (see below), whose sum is σ = 150743236. Its totient is φ = 42793920.

The previous prime is 85863409. The next prime is 85863419. The reversal of 85863412 is 21436858.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6937956 + 78925456 = 2634^2 + 8884^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85863419) 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, 33039 + ... + 35542.

Almost surely, 2^85863412 is an apocalyptic number.

It is an amenable number.

85863412 is a deficient number, since it is larger than the sum of its proper divisors (64879824).

85863412 is a wasteful number, since it uses less digits than its factorization.

85863412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68898 (or 68896 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 85863412 is about 9266.2512376905. The cubic root of 85863412 is about 441.1666902079.

The spelling of 85863412 in words is "eighty-five million, eight hundred sixty-three thousand, four hundred twelve".