65889412 has 6 divisors (see below), whose sum is σ = 115306478. Its totient is φ = 32944704.

The previous prime is 65889407. The next prime is 65889427. The reversal of 65889412 is 21498856.

It is a happy number.

65889412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 14394436 = 7176^2 + 3794^2 .

It is a super-2 number, since 2×65889412² = 8682829227411488, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8236173 + ... + 8236180.

Almost surely, 2^65889412 is an apocalyptic number.

It is an amenable number.

65889412 is a deficient number, since it is larger than the sum of its proper divisors (49417066).

65889412 is a wasteful number, since it uses less digits than its factorization.

65889412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16472357 (or 16472355 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 65889412 is about 8117.2293302580. The cubic root of 65889412 is about 403.8981624178.

The spelling of 65889412 in words is "sixty-five million, eight hundred eighty-nine thousand, four hundred twelve".