82105214280 has 32 divisors (see below), whose sum is σ = 246315643200. Its totient is φ = 21894723776.

The previous prime is 82105214263. The next prime is 82105214281. The reversal of 82105214280 is 8241250128.

It is not an unprimeable number, because it can be changed into a prime (82105214281) 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 7 ways as a sum of consecutive naturals, for example, 342104940 + ... + 342105179.

It is an arithmetic number, because the mean of its divisors is an integer number (7697363850).

Almost surely, 2^82105214280 is an apocalyptic number.

It is an amenable number.

82105214280 is an abundant number, since it is smaller than the sum of its proper divisors (164210428920).

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

82105214280 is a wasteful number, since it uses less digits than its factorization.

82105214280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684210133 (or 684210129 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The spelling of 82105214280 in words is "eighty-two billion, one hundred five million, two hundred fourteen thousand, two hundred eighty".