1087447547823 has 64 divisors (see below), whose sum is σ = 1810412685312. Its totient is φ = 565291560960.

The previous prime is 1087447547801. The next prime is 1087447547827. The reversal of 1087447547823 is 3287457447801.

It is a happy number.

It is not a de Polignac number, because 1087447547823 - 2¹⁶ = 1087447482287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087447547827) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25826878 + ... + 25868948.

It is an arithmetic number, because the mean of its divisors is an integer number (28287698208).

Almost surely, 2^{1087447547823} is an apocalyptic number.

1087447547823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1087447547823 is a deficient number, since it is larger than the sum of its proper divisors (722965137489).

1087447547823 is a wasteful number, since it uses less digits than its factorization.

1087447547823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43464.

The product of its (nonzero) digits is 42147840, while the sum is 60.

It can be divided in two parts, 108744 and 7547823, that added together give a palindrome (7656567).

The spelling of 1087447547823 in words is "one trillion, eighty-seven billion, four hundred forty-seven million, five hundred forty-seven thousand, eight hundred twenty-three".