1087611803 has 4 divisors (see below), whose sum is σ = 1092162720. Its totient is φ = 1083060888.

The previous prime is 1087611769. The next prime is 1087611823. The reversal of 1087611803 is 3081167801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3081167801 = 211 ⋅14602691.

It is a cyclic number.

It is not a de Polignac number, because 1087611803 - 2¹⁶ = 1087546267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087611823) 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, 2275100 + ... + 2275577.

It is an arithmetic number, because the mean of its divisors is an integer number (273040680).

Almost surely, 2^1087611803 is an apocalyptic number.

1087611803 is a deficient number, since it is larger than the sum of its proper divisors (4550917).

1087611803 is an equidigital number, since it uses as much as digits as its factorization.

1087611803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550916.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1087611803 is about 32978.9600048273. The cubic root of 1087611803 is about 1028.3902977170.

The spelling of 1087611803 in words is "one billion, eighty-seven million, six hundred eleven thousand, eight hundred three".