64028513027 has 4 divisors (see below), whose sum is σ = 64029280560. Its totient is φ = 64027745496.

The previous prime is 64028512967. The next prime is 64028513051. The reversal of 64028513027 is 72031582046.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72031582046 = 2 ⋅36015791023.

It is a cyclic number.

It is not a de Polignac number, because 64028513027 - 2¹² = 64028508931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64028513077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 240908 + ... + 431385.

It is an arithmetic number, because the mean of its divisors is an integer number (16007320140).

Almost surely, 2^64028513027 is an apocalyptic number.

64028513027 is a deficient number, since it is larger than the sum of its proper divisors (767533).

64028513027 is an equidigital number, since it uses as much as digits as its factorization.

64028513027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767532.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 64028513027 in words is "sixty-four billion, twenty-eight million, five hundred thirteen thousand, twenty-seven".