65064399 has 8 divisors (see below), whose sum is σ = 87647280. Its totient is φ = 42928896.

The previous prime is 65064397. The next prime is 65064407. The reversal of 65064399 is 99346056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65064399 - 2¹ = 65064397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65064399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65064397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111504 + ... + 112085.

It is an arithmetic number, because the mean of its divisors is an integer number (10955910).

Almost surely, 2^65064399 is an apocalyptic number.

65064399 is a deficient number, since it is larger than the sum of its proper divisors (22582881).

65064399 is a wasteful number, since it uses less digits than its factorization.

65064399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223689.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 65064399 is about 8066.2506159925. The cubic root of 65064399 is about 402.2053170143.

The spelling of 65064399 in words is "sixty-five million, sixty-four thousand, three hundred ninety-nine".