1087777045760 has 72 divisors (see below), whose sum is σ = 2631363950376. Its totient is φ = 430802739200.

The previous prime is 1087777045723. The next prime is 1087777045763. The reversal of 1087777045760 is 675407777801.

It can be written as a sum of positive squares in 4 ways, for example, as 499475773696 + 588301272064 = 706736^2 + 767008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1087777045760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087777045763) 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 7 ways as a sum of consecutive naturals, for example, 4077779 + ... + 4336338.

It is an arithmetic number, because the mean of its divisors is an integer number (36546721533).

Almost surely, 2^{1087777045760} is an apocalyptic number.

1087777045760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087777045760 is an abundant number, since it is smaller than the sum of its proper divisors (1543586904616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087777045760 is an equidigital number, since it uses as much as digits as its factorization.

1087777045760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414239 (or 8414225 counting only the distinct ones).

The product of its (nonzero) digits is 16134720, while the sum is 59.

The spelling of 1087777045760 in words is "one trillion, eighty-seven billion, seven hundred seventy-seven million, forty-five thousand, seven hundred sixty".