86667412 has 18 divisors (see below), whose sum is σ = 163461354. Its totient is φ = 39969360.

The previous prime is 86667409. The next prime is 86667419. The reversal of 86667412 is 21476668.

It can be written as a sum of positive squares in only one way, i.e., 60000516 + 26666896 = 7746^2 + 5164^2 .

It is a super-2 number, since 2×86667412² = 15022480605555488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86667419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66487 + ... + 67777.

Almost surely, 2^86667412 is an apocalyptic number.

It is an amenable number.

86667412 is a deficient number, since it is larger than the sum of its proper divisors (76793942).

86667412 is a wasteful number, since it uses less digits than its factorization.

86667412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599 (or 1306 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 86667412 is about 9309.5333932480. The cubic root of 86667412 is about 442.5394000263.

The spelling of 86667412 in words is "eighty-six million, six hundred sixty-seven thousand, four hundred twelve".