1087794081823 has 2 divisors, whose sum is σ = 1087794081824. Its totient is φ = 1087794081822.

The previous prime is 1087794081799. The next prime is 1087794081853. The reversal of 1087794081823 is 3281804977801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1087794081823 - 2¹³ = 1087794073631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087794081853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543897040911 + 543897040912.

It is an arithmetic number, because the mean of its divisors is an integer number (543897040912).

Almost surely, 2^{1087794081823} is an apocalyptic number.

1087794081823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087794081823 is an equidigital number, since it uses as much as digits as its factorization.

1087794081823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 1087794081823 in words is "one trillion, eighty-seven billion, seven hundred ninety-four million, eighty-one thousand, eight hundred twenty-three".