81282096 has 80 divisors (see below), whose sum is σ = 266649600. Its totient is φ = 23222592.

The previous prime is 81282079. The next prime is 81282109. The reversal of 81282096 is 69028218.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 81282096.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10416 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (3333120).

Almost surely, 2^81282096 is an apocalyptic number.

It is an amenable number.

81282096 is an abundant number, since it is smaller than the sum of its proper divisors (185367504).

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

81282096 is a wasteful number, since it uses less digits than its factorization.

81282096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26903 (or 26891 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 81282096 is about 9015.6583786211. The cubic root of 81282096 is about 433.1765765682.

The spelling of 81282096 in words is "eighty-one million, two hundred eighty-two thousand, ninety-six".