64481605577287 has 8 divisors (see below), whose sum is σ = 65647730502032. Its totient is φ = 63318998376000.

The previous prime is 64481605577269. The next prime is 64481605577297. The reversal of 64481605577287 is 78277550618446.

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 64481605577287 - 2¹⁹ = 64481605052999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64481605577237) 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, 879393873 + ... + 879467194.

It is an arithmetic number, because the mean of its divisors is an integer number (8205966312754).

Almost surely, 2^{64481605577287} is an apocalyptic number.

64481605577287 is a deficient number, since it is larger than the sum of its proper divisors (1166124924745).

64481605577287 is a wasteful number, since it uses less digits than its factorization.

64481605577287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758861729.

The product of its (nonzero) digits is 632217600, while the sum is 70.

The spelling of 64481605577287 in words is "sixty-four trillion, four hundred eighty-one billion, six hundred five million, five hundred seventy-seven thousand, two hundred eighty-seven".