82055513227 has 4 divisors (see below), whose sum is σ = 82056703456. Its totient is φ = 82054323000.

The previous prime is 82055513191. The next prime is 82055513231. The reversal of 82055513227 is 72231555028.

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 82055513227 - 2²³ = 82047124619 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 82055513227.

It is not an unprimeable number, because it can be changed into a prime (82055513027) 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, 484899 + ... + 631852.

It is an arithmetic number, because the mean of its divisors is an integer number (20514175864).

Almost surely, 2^82055513227 is an apocalyptic number.

82055513227 is a deficient number, since it is larger than the sum of its proper divisors (1190229).

82055513227 is a wasteful number, since it uses less digits than its factorization.

82055513227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190228.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 82055513227 in words is "eighty-two billion, fifty-five million, five hundred thirteen thousand, two hundred twenty-seven".