84782227741 has 4 divisors (see below), whose sum is σ = 84782873500. Its totient is φ = 84781581984.

The previous prime is 84782227729. The next prime is 84782227759. The reversal of 84782227741 is 14772228748.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 71144892900 + 13637334841 = 266730^2 + 116779^2 .

It is a cyclic number.

It is not a de Polignac number, because 84782227741 - 2²⁹ = 84245356829 is a prime.

It is a super-2 number, since 2×84782227741² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84782227711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47856 + ... + 414553.

It is an arithmetic number, because the mean of its divisors is an integer number (21195718375).

Almost surely, 2^84782227741 is an apocalyptic number.

It is an amenable number.

84782227741 is a deficient number, since it is larger than the sum of its proper divisors (645759).

84782227741 is a wasteful number, since it uses less digits than its factorization.

84782227741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645758.

The product of its digits is 2809856, while the sum is 52.

The spelling of 84782227741 in words is "eighty-four billion, seven hundred eighty-two million, two hundred twenty-seven thousand, seven hundred forty-one".