64765352947 has 8 divisors (see below), whose sum is σ = 65467861200. Its totient is φ = 64063555584.

The previous prime is 64765352921. The next prime is 64765352959. The reversal of 64765352947 is 74925356746.

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 64765352947 - 2¹⁹ = 64764828659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64765352891 and 64765352900.

It is not an unprimeable number, because it can be changed into a prime (64765352647) 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, 6504 + ... + 359962.

It is an arithmetic number, because the mean of its divisors is an integer number (8183482650).

Almost surely, 2^64765352947 is an apocalyptic number.

64765352947 is a deficient number, since it is larger than the sum of its proper divisors (702508253).

64765352947 is a wasteful number, since it uses less digits than its factorization.

64765352947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355445.

The product of its digits is 38102400, while the sum is 58.

The spelling of 64765352947 in words is "sixty-four billion, seven hundred sixty-five million, three hundred fifty-two thousand, nine hundred forty-seven".