82241890177 has 4 divisors (see below), whose sum is σ = 82258062336. Its totient is φ = 82225718020.

The previous prime is 82241890121. The next prime is 82241890261. The reversal of 82241890177 is 77109814228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82241890177 - 2³⁵ = 47882151809 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 82241890177.

It is not an unprimeable number, because it can be changed into a prime (82241890117) 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, 8078449 + ... + 8088622.

It is an arithmetic number, because the mean of its divisors is an integer number (20564515584).

Almost surely, 2^82241890177 is an apocalyptic number.

It is an amenable number.

82241890177 is a deficient number, since it is larger than the sum of its proper divisors (16172159).

82241890177 is a wasteful number, since it uses less digits than its factorization.

82241890177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16172158.

The product of its (nonzero) digits is 451584, while the sum is 49.

The spelling of 82241890177 in words is "eighty-two billion, two hundred forty-one million, eight hundred ninety thousand, one hundred seventy-seven".