8028665983 has 4 divisors (see below), whose sum is σ = 8646255688. Its totient is φ = 7411076280.

The previous prime is 8028665971. The next prime is 8028665999. The reversal of 8028665983 is 3895668208.

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 8028665983 - 2⁹ = 8028665471 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 (8028665903) 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, 308794833 + ... + 308794858.

It is an arithmetic number, because the mean of its divisors is an integer number (2161563922).

Almost surely, 2^8028665983 is an apocalyptic number.

8028665983 is a deficient number, since it is larger than the sum of its proper divisors (617589705).

8028665983 is a wasteful number, since it uses less digits than its factorization.

8028665983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617589704.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 8028665983 is about 89602.8235213601. The cubic root of 8028665983 is about 2002.3859843241.

The spelling of 8028665983 in words is "eight billion, twenty-eight million, six hundred sixty-five thousand, nine hundred eighty-three".