64854248328727 has 64 divisors (see below), whose sum is σ = 78388024845312. Its totient is φ = 52866460800000.

The previous prime is 64854248328703. The next prime is 64854248328733. The reversal of 64854248328727 is 72782384245846.

It is a cyclic number.

It is not a de Polignac number, because 64854248328727 - 2¹⁹ = 64854247804439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64854248322727) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6082171198 + ... + 6082181860.

It is an arithmetic number, because the mean of its divisors is an integer number (1224812888208).

Almost surely, 2^{64854248328727} is an apocalyptic number.

64854248328727 is a deficient number, since it is larger than the sum of its proper divisors (13533776516585).

64854248328727 is a wasteful number, since it uses less digits than its factorization.

64854248328727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15112.

The product of its digits is 1156055040, while the sum is 70.

The spelling of 64854248328727 in words is "sixty-four trillion, eight hundred fifty-four billion, two hundred forty-eight million, three hundred twenty-eight thousand, seven hundred twenty-seven".