81422014882 has 32 divisors (see below), whose sum is σ = 136633682304. Its totient is φ = 36146409600.

The previous prime is 81422014867. The next prime is 81422014987. The reversal of 81422014882 is 28841022418.

It is an unprimeable number.

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, 462208 + ... + 613579.

It is an arithmetic number, because the mean of its divisors is an integer number (4269802572).

Almost surely, 2^81422014882 is an apocalyptic number.

81422014882 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

81422014882 is a deficient number, since it is larger than the sum of its proper divisors (55211667422).

81422014882 is a wasteful number, since it uses less digits than its factorization.

81422014882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075914.

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 81422014882 in words is "eighty-one billion, four hundred twenty-two million, fourteen thousand, eight hundred eighty-two".