82664498211 has 4 divisors (see below), whose sum is σ = 110219330952. Its totient is φ = 55109665472.

The previous prime is 82664498209. The next prime is 82664498219. The reversal of 82664498211 is 11289446628.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82664498211 - 2¹ = 82664498209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82664498219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13777416366 + ... + 13777416371.

It is an arithmetic number, because the mean of its divisors is an integer number (27554832738).

Almost surely, 2^82664498211 is an apocalyptic number.

82664498211 is a deficient number, since it is larger than the sum of its proper divisors (27554832741).

82664498211 is a wasteful number, since it uses less digits than its factorization.

82664498211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27554832740.

The product of its digits is 1327104, while the sum is 51.

The spelling of 82664498211 in words is "eighty-two billion, six hundred sixty-four million, four hundred ninety-eight thousand, two hundred eleven".