82909000281 has 4 divisors (see below), whose sum is σ = 110545333712. Its totient is φ = 55272666852.

The previous prime is 82909000259. The next prime is 82909000303. The reversal of 82909000281 is 18200090928.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (82909000259) and next prime (82909000303).

It is not a de Polignac number, because 82909000281 - 2²⁷ = 82774782553 is a prime.

It is a super-2 number, since 2×82909000281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82909000241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13818166711 + ... + 13818166716.

It is an arithmetic number, because the mean of its divisors is an integer number (27636333428).

Almost surely, 2^82909000281 is an apocalyptic number.

It is an amenable number.

82909000281 is a deficient number, since it is larger than the sum of its proper divisors (27636333431).

82909000281 is a wasteful number, since it uses less digits than its factorization.

82909000281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27636333430.

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 82909000281 in words is "eighty-two billion, nine hundred nine million, two hundred eighty-one", and thus it is an aban number.