1063556677889 has 16 divisors (see below), whose sum is σ = 1121082163200. Its totient is φ = 1008011882064.

The previous prime is 1063556677879. The next prime is 1063556677927. The reversal of 1063556677889 is 9887766553601.

It is a cyclic number.

It is not a de Polignac number, because 1063556677889 - 2¹⁶ = 1063556612353 is a prime.

It is a super-2 number, since 2×1063556677889² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1063556677879) 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 15 ways as a sum of consecutive naturals, for example, 2676449 + ... + 3048030.

It is an arithmetic number, because the mean of its divisors is an integer number (70067635200).

Almost surely, 2^{1063556677889} is an apocalyptic number.

It is an amenable number.

1063556677889 is a deficient number, since it is larger than the sum of its proper divisors (57525485311).

1063556677889 is an equidigital number, since it uses as much as digits as its factorization.

1063556677889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724652.

The product of its (nonzero) digits is 457228800, while the sum is 71.

The spelling of 1063556677889 in words is "one trillion, sixty-three billion, five hundred fifty-six million, six hundred seventy-seven thousand, eight hundred eighty-nine".