82004870 has 16 divisors (see below), whose sum is σ = 151042320. Its totient is φ = 32038944.

The previous prime is 82004869. The next prime is 82004899. The reversal of 82004870 is 7840028.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94925 + ... + 95784.

It is an arithmetic number, because the mean of its divisors is an integer number (9440145).

Almost surely, 2^82004870 is an apocalyptic number.

82004870 is a deficient number, since it is larger than the sum of its proper divisors (69037450).

82004870 is a wasteful number, since it uses less digits than its factorization.

82004870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190759.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 82004870 is about 9055.6540349110. The cubic root of 82004870 is about 434.4567490671.

Adding to 82004870 its reverse (7840028), we get a palindrome (89844898).

The spelling of 82004870 in words is "eighty-two million, four thousand, eight hundred seventy".