82400656211 has 8 divisors (see below), whose sum is σ = 83276028720. Its totient is φ = 81527848192.

The previous prime is 82400656189. The next prime is 82400656243. The reversal of 82400656211 is 11265600428.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82400656211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82400686211) 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, 576485 + ... + 705078.

It is an arithmetic number, because the mean of its divisors is an integer number (10409503590).

Almost surely, 2^82400656211 is an apocalyptic number.

82400656211 is a deficient number, since it is larger than the sum of its proper divisors (875372509).

82400656211 is a wasteful number, since it uses less digits than its factorization.

82400656211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282245.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 82400656211 in words is "eighty-two billion, four hundred million, six hundred fifty-six thousand, two hundred eleven".