1063985897837 has 16 divisors (see below), whose sum is σ = 1097135852400. Its totient is φ = 1031181864960.

The previous prime is 1063985897833. The next prime is 1063985897857. The reversal of 1063985897837 is 7387985893601.

It can be written as a sum of positive squares in 8 ways, for example, as 67540732996 + 996445164841 = 259886^2 + 998221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063985897837 - 2² = 1063985897833 is a prime.

It is a super-2 number, since 2×1063985897837² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063985897833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31453589 + ... + 31487397.

It is an arithmetic number, because the mean of its divisors is an integer number (68570990775).

Almost surely, 2^{1063985897837} is an apocalyptic number.

It is an amenable number.

1063985897837 is a deficient number, since it is larger than the sum of its proper divisors (33149954563).

1063985897837 is a wasteful number, since it uses less digits than its factorization.

1063985897837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38896.

The product of its (nonzero) digits is 548674560, while the sum is 74.

The spelling of 1063985897837 in words is "one trillion, sixty-three billion, nine hundred eighty-five million, eight hundred ninety-seven thousand, eight hundred thirty-seven".