82211089398 has 32 divisors (see below), whose sum is σ = 173093293440. Its totient is φ = 25958799360.

The previous prime is 82211089369. The next prime is 82211089447. The reversal of 82211089398 is 89398011228.

It is a self number, because there is not a number n which added to its sum of digits gives 82211089398.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1336438 + ... + 1396598.

It is an arithmetic number, because the mean of its divisors is an integer number (5409165420).

Almost surely, 2^82211089398 is an apocalyptic number.

82211089398 is an abundant number, since it is smaller than the sum of its proper divisors (90882204042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82211089398 is a wasteful number, since it uses less digits than its factorization.

82211089398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72172.

The product of its (nonzero) digits is 497664, while the sum is 51.

The spelling of 82211089398 in words is "eighty-two billion, two hundred eleven million, eighty-nine thousand, three hundred ninety-eight".