1083533863777 has 4 divisors (see below), whose sum is σ = 1112818562836. Its totient is φ = 1054249164720.

The previous prime is 1083533863759. The next prime is 1083533863799. The reversal of 1083533863777 is 7773683353801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 794529780496 + 289004083281 = 891364^2 + 537591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1083533863777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1083533867777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14642349474 + ... + 14642349547.

It is an arithmetic number, because the mean of its divisors is an integer number (278204640709).

Almost surely, 2^{1083533863777} is an apocalyptic number.

It is an amenable number.

1083533863777 is a deficient number, since it is larger than the sum of its proper divisors (29284699059).

1083533863777 is an equidigital number, since it uses as much as digits as its factorization.

1083533863777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29284699058.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 1083533863777 in words is "one trillion, eighty-three billion, five hundred thirty-three million, eight hundred sixty-three thousand, seven hundred seventy-seven".