1090880687 has 8 divisors (see below), whose sum is σ = 1236626160. Its totient is φ = 953968320.

The previous prime is 1090880621. The next prime is 1090880719. The reversal of 1090880687 is 7860880901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1090880687 - 2¹⁰ = 1090879663 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 (1090880587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2208014 + ... + 2208507.

It is an arithmetic number, because the mean of its divisors is an integer number (154578270).

Almost surely, 2^1090880687 is an apocalyptic number.

1090880687 is a deficient number, since it is larger than the sum of its proper divisors (145745473).

1090880687 is a wasteful number, since it uses less digits than its factorization.

1090880687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416553.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 1090880687 is about 33028.4829654648. The cubic root of 1090880687 is about 1029.4195639413.

The spelling of 1090880687 in words is "one billion, ninety million, eight hundred eighty thousand, six hundred eighty-seven".