1090044887 has 4 divisors (see below), whose sum is σ = 1090797576. Its totient is φ = 1089292200.

The previous prime is 1090044881. The next prime is 1090044889. The reversal of 1090044887 is 7884400901.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1090044887 - 2⁴ = 1090044871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090044881) 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, 374168 + ... + 377069.

It is an arithmetic number, because the mean of its divisors is an integer number (272699394).

Almost surely, 2^1090044887 is an apocalyptic number.

1090044887 is a deficient number, since it is larger than the sum of its proper divisors (752689).

1090044887 is an equidigital number, since it uses as much as digits as its factorization.

1090044887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752688.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1090044887 is about 33015.8278254537. The cubic root of 1090044887 is about 1029.1565933250.

The spelling of 1090044887 in words is "one billion, ninety million, forty-four thousand, eight hundred eighty-seven".