82066854570 has 32 divisors (see below), whose sum is σ = 197361627840. Its totient is φ = 21839919360.

The previous prime is 82066854547. The next prime is 82066854577. The reversal of 82066854570 is 7545866028.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82066854577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2770975 + ... + 2800434.

It is an arithmetic number, because the mean of its divisors is an integer number (6167550870).

Almost surely, 2^82066854570 is an apocalyptic number.

82066854570 is an abundant number, since it is smaller than the sum of its proper divisors (115294773270).

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

82066854570 is a wasteful number, since it uses less digits than its factorization.

82066854570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571910.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 82066854570 in words is "eighty-two billion, sixty-six million, eight hundred fifty-four thousand, five hundred seventy".