82205335261 has 8 divisors (see below), whose sum is σ = 93968610560. Its totient is φ = 70446973968.

The previous prime is 82205335249. The next prime is 82205335273. The reversal of 82205335261 is 16253350228.

It is an interprime number because it is at equal distance from previous prime (82205335249) and next prime (82205335273).

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

It is not a de Polignac number, because 82205335261 - 2¹¹ = 82205333213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82205335261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82205335211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192581 + ... + 1259626.

It is an arithmetic number, because the mean of its divisors is an integer number (11746076320).

Almost surely, 2^82205335261 is an apocalyptic number.

It is an amenable number.

82205335261 is a deficient number, since it is larger than the sum of its proper divisors (11763275299).

82205335261 is a wasteful number, since it uses less digits than its factorization.

82205335261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457003.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 82205335261 its reverse (16253350228), we get a palindrome (98458685489).

The spelling of 82205335261 in words is "eighty-two billion, two hundred five million, three hundred thirty-five thousand, two hundred sixty-one".