83008681 has 8 divisors (see below), whose sum is σ = 95022464. Its totient is φ = 71033760.

The previous prime is 83008661. The next prime is 83008729. The reversal of 83008681 is 18680038.

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

It is not a de Polignac number, because 83008681 - 2⁷ = 83008553 is a prime.

It is a super-2 number, since 2×83008681² = 13780882242719522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83008621) 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, 4980 + ... + 13813.

It is an arithmetic number, because the mean of its divisors is an integer number (11877808).

Almost surely, 2^83008681 is an apocalyptic number.

It is an amenable number.

83008681 is a deficient number, since it is larger than the sum of its proper divisors (12013783).

83008681 is a wasteful number, since it uses less digits than its factorization.

83008681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19431.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 83008681 is about 9110.9099984579. The cubic root of 83008681 is about 436.2222743003. Note that the first 4 decimals are identical.

The spelling of 83008681 in words is "eighty-three million, eight thousand, six hundred eighty-one".