8083608021 has 6 divisors (see below), whose sum is σ = 11676322710. Its totient is φ = 5389072008.

The previous prime is 8083607977. The next prime is 8083608079. The reversal of 8083608021 is 1208063808.

It can be written as a sum of positive squares in only one way, i.e., 4957568100 + 3126039921 = 70410^2 + 55911^2 .

It is not a de Polignac number, because 8083608021 - 2⁹ = 8083607509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8083608521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449089326 + ... + 449089343.

It is an arithmetic number, because the mean of its divisors is an integer number (1946053785).

Almost surely, 2^8083608021 is an apocalyptic number.

It is an amenable number.

8083608021 is a deficient number, since it is larger than the sum of its proper divisors (3592714689).

8083608021 is a wasteful number, since it uses less digits than its factorization.

8083608021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898178675 (or 898178672 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 8083608021 is about 89908.8873304525. The cubic root of 8083608021 is about 2006.9432031551.

The spelling of 8083608021 in words is "eight billion, eighty-three million, six hundred eight thousand, twenty-one".