82001608 has 32 divisors (see below), whose sum is σ = 175323960. Its totient is φ = 35619840.

The previous prime is 82001581. The next prime is 82001627. The reversal of 82001608 is 80610028.

It can be written as a sum of positive squares in 4 ways, for example, as 71876484 + 10125124 = 8478^2 + 3182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21423 + ... + 24958.

Almost surely, 2^82001608 is an apocalyptic number.

It is an amenable number.

82001608 is an abundant number, since it is smaller than the sum of its proper divisors (93322352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82001608 is a wasteful number, since it uses less digits than its factorization.

82001608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46417 (or 46413 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 82001608 is about 9055.4739246491. The cubic root of 82001608 is about 434.4509883657.

The spelling of 82001608 in words is "eighty-two million, one thousand, six hundred eight".