64097897005 has 8 divisors (see below), whose sum is σ = 77203416600. Its totient is φ = 51087690816.

The previous prime is 64097896997. The next prime is 64097897023. The reversal of 64097897005 is 50079879046.

It can be written as a sum of positive squares in 4 ways, for example, as 1262949444 + 62834947561 = 35538^2 + 250669^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64097897005 - 2³ = 64097896997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23826870 + ... + 23829559.

It is an arithmetic number, because the mean of its divisors is an integer number (9650427075).

Almost surely, 2^64097897005 is an apocalyptic number.

It is an amenable number.

64097897005 is a deficient number, since it is larger than the sum of its proper divisors (13105519595).

64097897005 is a wasteful number, since it uses less digits than its factorization.

64097897005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47656703.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 64097897005 in words is "sixty-four billion, ninety-seven million, eight hundred ninety-seven thousand, five".