82280761 has 8 divisors (see below), whose sum is σ = 83300544. Its totient is φ = 81265200.

The previous prime is 82280687. The next prime is 82280797. The reversal of 82280761 is 16708228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82280761 - 2⁹ = 82280249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82280461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56140 + ... + 57586.

It is an arithmetic number, because the mean of its divisors is an integer number (10412568).

Almost surely, 2^82280761 is an apocalyptic number.

It is an amenable number.

82280761 is a deficient number, since it is larger than the sum of its proper divisors (1019783).

82280761 is a wasteful number, since it uses less digits than its factorization.

82280761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 82280761 is about 9070.8743239006. The cubic root of 82280761 is about 434.9434215400.

Adding to 82280761 its reverse (16708228), we get a palindrome (98988989).

The spelling of 82280761 in words is "eighty-two million, two hundred eighty thousand, seven hundred sixty-one".