84705438226 has 16 divisors (see below), whose sum is σ = 128079322200. Its totient is φ = 42013079680.

The previous prime is 84705438143. The next prime is 84705438227. The reversal of 84705438226 is 62283450748.

It can be written as a sum of positive squares in 4 ways, for example, as 57066043225 + 27639395001 = 238885^2 + 166251^2 .

It is a super-2 number, since 2×84705438226² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84705438226.

It is not an unprimeable number, because it can be changed into a prime (84705438227) 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, 40020 + ... + 413536.

Almost surely, 2^84705438226 is an apocalyptic number.

84705438226 is a deficient number, since it is larger than the sum of its proper divisors (43373883974).

84705438226 is a wasteful number, since it uses less digits than its factorization.

84705438226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374429.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 84705438226 in words is "eighty-four billion, seven hundred five million, four hundred thirty-eight thousand, two hundred twenty-six".