82041808 has 10 divisors (see below), whose sum is σ = 158956034. Its totient is φ = 41020896.

The previous prime is 82041797. The next prime is 82041821. The reversal of 82041808 is 80814028.

It can be written as a sum of positive squares in only one way, i.e., 66455104 + 15586704 = 8152^2 + 3948^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82041808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563791 + ... + 2563822.

Almost surely, 2^82041808 is an apocalyptic number.

It is an amenable number.

82041808 is a deficient number, since it is larger than the sum of its proper divisors (76914226).

82041808 is a wasteful number, since it uses less digits than its factorization.

82041808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127621 (or 5127615 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 82041808 is about 9057.6933045892. The cubic root of 82041808 is about 434.5219710247.

The spelling of 82041808 in words is "eighty-two million, forty-one thousand, eight hundred eight".