65078389001 has 32 divisors (see below), whose sum is σ = 69797376000. Its totient is φ = 60575336640.

The previous prime is 65078388971. The next prime is 65078389067. The reversal of 65078389001 is 10098387056.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65078389001 - 2⁶ = 65078388937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65078389081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25529675 + ... + 25532223.

It is an arithmetic number, because the mean of its divisors is an integer number (2181168000).

Almost surely, 2^65078389001 is an apocalyptic number.

It is an amenable number.

65078389001 is a deficient number, since it is larger than the sum of its proper divisors (4718986999).

65078389001 is a wasteful number, since it uses less digits than its factorization.

65078389001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 65078389001 in words is "sixty-five billion, seventy-eight million, three hundred eighty-nine thousand, one".