82704886 has 16 divisors (see below), whose sum is σ = 135490320. Its totient is φ = 37550080.

The previous prime is 82704883. The next prime is 82704887. The reversal of 82704886 is 68840728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82704883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25230 + ... + 28318.

It is an arithmetic number, because the mean of its divisors is an integer number (8468145).

Almost surely, 2^82704886 is an apocalyptic number.

82704886 is a deficient number, since it is larger than the sum of its proper divisors (52785434).

82704886 is a wasteful number, since it uses less digits than its factorization.

82704886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 82704886 is about 9094.2226715646. Note that the first 3 decimals coincide. The cubic root of 82704886 is about 435.6894619814.

The spelling of 82704886 in words is "eighty-two million, seven hundred four thousand, eight hundred eighty-six".