65069986 has 4 divisors (see below), whose sum is σ = 97604982. Its totient is φ = 32534992.

The previous prime is 65069951. The next prime is 65069987. The reversal of 65069986 is 68996056.

65069986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64304361 + 765625 = 8019^2 + 875^2 .

It is not an unprimeable number, because it can be changed into a prime (65069987) by changing a digit.

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, 16267495 + ... + 16267498.

Almost surely, 2^65069986 is an apocalyptic number.

65069986 is a deficient number, since it is larger than the sum of its proper divisors (32534996).

65069986 is a wasteful number, since it uses less digits than its factorization.

65069986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32534995.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 65069986 is about 8066.5969280732. The cubic root of 65069986 is about 402.2168289769.

The spelling of 65069986 in words is "sixty-five million, sixty-nine thousand, nine hundred eighty-six".