8383790881 has 16 divisors (see below), whose sum is σ = 8792229888. Its totient is φ = 7979131600.

The previous prime is 8383790879. The next prime is 8383790893. The reversal of 8383790881 is 1880973838.

It is a cyclic number.

It is not a de Polignac number, because 8383790881 - 2¹ = 8383790879 is a prime.

It is a super-2 number, since 2×8383790881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8383793881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4628466 + ... + 4630276.

It is an arithmetic number, because the mean of its divisors is an integer number (549514368).

Almost surely, 2^8383790881 is an apocalyptic number.

It is an amenable number.

8383790881 is a deficient number, since it is larger than the sum of its proper divisors (408439007).

8383790881 is a wasteful number, since it uses less digits than its factorization.

8383790881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 8383790881 is about 91563.0432052146. The cubic root of 8383790881 is about 2031.4843407856.

The spelling of 8383790881 in words is "eight billion, three hundred eighty-three million, seven hundred ninety thousand, eight hundred eighty-one".