64008778753 has 2 divisors, whose sum is σ = 64008778754. Its totient is φ = 64008778752.

The previous prime is 64008778681. The next prime is 64008778759. The reversal of 64008778753 is 35787780046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63729487809 + 279290944 = 252447^2 + 16712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64008778753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64008778694 and 64008778703.

It is not a weakly prime, because it can be changed into another prime (64008778759) 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 as a sum of consecutive naturals, namely, 32004389376 + 32004389377.

It is an arithmetic number, because the mean of its divisors is an integer number (32004389377).

Almost surely, 2^64008778753 is an apocalyptic number.

It is an amenable number.

64008778753 is a deficient number, since it is larger than the sum of its proper divisors (1).

64008778753 is an equidigital number, since it uses as much as digits as its factorization.

64008778753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 64008778753 in words is "sixty-four billion, eight million, seven hundred seventy-eight thousand, seven hundred fifty-three".